querydsl 테스트시 에러입니다.

<code>

17:02:50.381 [main] DEBUG org.springframework.test.context.BootstrapUtils - Instantiating CacheAwareContextLoaderDelegate from class [org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate]

17:02:50.391 [main] DEBUG org.springframework.test.context.BootstrapUtils - Instantiating BootstrapContext using constructor [public org.springframework.test.context.support.DefaultBootstrapContext(java.lang.Class,org.springframework.test.context.CacheAwareContextLoaderDelegate)]

17:02:50.427 [main] DEBUG org.springframework.test.context.BootstrapUtils - Instantiating TestContextBootstrapper for test class [study.querydsl.QuerydslBasicTest] from class [org.springframework.boot.test.context.SpringBootTestContextBootstrapper]

17:02:50.439 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Neither @ContextConfiguration nor @ContextHierarchy found for test class [study.querydsl.QuerydslBasicTest], using SpringBootContextLoader

17:02:50.443 [main] DEBUG org.springframework.test.context.support.AbstractContextLoader - Did not detect default resource location for test class [study.querydsl.QuerydslBasicTest]: class path resource [study/querydsl/QuerydslBasicTest-context.xml] does not exist

17:02:50.444 [main] DEBUG org.springframework.test.context.support.AbstractContextLoader - Did not detect default resource location for test class [study.querydsl.QuerydslBasicTest]: class path resource [study/querydsl/QuerydslBasicTestContext.groovy] does not exist

17:02:50.444 [main] INFO org.springframework.test.context.support.AbstractContextLoader - Could not detect default resource locations for test class [study.querydsl.QuerydslBasicTest]: no resource found for suffixes {-context.xml, Context.groovy}.

17:02:50.445 [main] INFO org.springframework.test.context.support.AnnotationConfigContextLoaderUtils - Could not detect default configuration classes for test class [study.querydsl.QuerydslBasicTest]: QuerydslBasicTest does not declare any static, non-private, non-final, nested classes annotated with @Configuration.

17:02:50.482 [main] DEBUG org.springframework.test.context.support.ActiveProfilesUtils - Could not find an 'annotation declaring class' for annotation type [org.springframework.test.context.ActiveProfiles] and class [study.querydsl.QuerydslBasicTest]

17:02:50.541 [main] DEBUG org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider - Identified candidate component class: file [C:\Users\alita\Desktop\querydsl\querydsl\out\production\classes\study\querydsl\QuerydslApplication.class]

17:02:50.542 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Found @SpringBootConfiguration study.querydsl.QuerydslApplication for test class study.querydsl.QuerydslBasicTest

17:02:50.646 [main] DEBUG org.springframework.boot.test.context.SpringBootTestContextBootstrapper - @TestExecutionListeners is not present for class [study.querydsl.QuerydslBasicTest]: using defaults.

17:02:50.646 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Loaded default TestExecutionListener class names from location [META-INF/spring.factories]: [org.springframework.boot.test.autoconfigure.restdocs.RestDocsTestExecutionListener, org.springframework.boot.test.autoconfigure.web.client.MockRestServiceServerResetTestExecutionListener, org.springframework.boot.test.autoconfigure.web.servlet.MockMvcPrintOnlyOnFailureTestExecutionListener, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverTestExecutionListener, org.springframework.boot.test.autoconfigure.webservices.client.MockWebServiceServerTestExecutionListener, org.springframework.boot.test.mock.mockito.MockitoTestExecutionListener, org.springframework.boot.test.mock.mockito.ResetMocksTestExecutionListener, org.springframework.test.context.web.ServletTestExecutionListener, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener, org.springframework.test.context.event.ApplicationEventsTestExecutionListener, org.springframework.test.context.support.DependencyInjectionTestExecutionListener, org.springframework.test.context.support.DirtiesContextTestExecutionListener, org.springframework.test.context.transaction.TransactionalTestExecutionListener, org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener, org.springframework.test.context.event.EventPublishingTestExecutionListener]

17:02:50.664 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Using TestExecutionListeners: [org.springframework.test.context.web.ServletTestExecutionListener@3a1dd365, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener@395b56bb, org.springframework.test.context.event.ApplicationEventsTestExecutionListener@256f8274, org.springframework.boot.test.mock.mockito.MockitoTestExecutionListener@68044f4, org.springframework.boot.test.autoconfigure.SpringBootDependencyInjectionTestExecutionListener@52d239ba, org.springframework.test.context.support.DirtiesContextTestExecutionListener@315f43d5, org.springframework.test.context.transaction.TransactionalTestExecutionListener@68fa0ba8, org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener@6c5945a7, org.springframework.test.context.event.EventPublishingTestExecutionListener@2f05be7f, org.springframework.boot.test.autoconfigure.restdocs.RestDocsTestExecutionListener@640f11a1, org.springframework.boot.test.autoconfigure.web.client.MockRestServiceServerResetTestExecutionListener@5c10f1c3, org.springframework.boot.test.autoconfigure.web.servlet.MockMvcPrintOnlyOnFailureTestExecutionListener@7ac2e39b, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverTestExecutionListener@78365cfa, org.springframework.boot.test.autoconfigure.webservices.client.MockWebServiceServerTestExecutionListener@64a8c844, org.springframework.boot.test.mock.mockito.ResetMocksTestExecutionListener@3f6db3fb]

17:02:50.668 [main] DEBUG org.springframework.test.context.support.AbstractDirtiesContextTestExecutionListener - Before test class: context [DefaultTestContext@424fd310 testClass = QuerydslBasicTest, testInstance = [null], testMethod = [null], testException = [null], mergedContextConfiguration = [WebMergedContextConfiguration@1a45193b testClass = QuerydslBasicTest, locations = '{}', classes = '{class study.querydsl.QuerydslApplication}', contextInitializerClasses = '[]', activeProfiles = '{}', propertySourceLocations = '{}', propertySourceProperties = '{org.springframework.boot.test.context.SpringBootTestContextBootstrapper=true}', contextCustomizers = set[org.springframework.boot.test.autoconfigure.actuate.metrics.MetricsExportContextCustomizerFactory$DisableMetricExportContextCustomizer@1e13529a, org.springframework.boot.test.autoconfigure.properties.PropertyMappingContextCustomizer@0, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverContextCustomizerFactory$Customizer@93081b6, org.springframework.boot.test.context.filter.ExcludeFilterContextCustomizer@16c069df, org.springframework.boot.test.json.DuplicateJsonObjectContextCustomizerFactory$DuplicateJsonObjectContextCustomizer@7c3fdb62, org.springframework.boot.test.mock.mockito.MockitoContextCustomizer@0, org.springframework.boot.test.web.client.TestRestTemplateContextCustomizer@4d6025c5, org.springframework.boot.test.context.SpringBootTestArgs@1, org.springframework.boot.test.context.SpringBootTestWebEnvironment@80ec1f8], resourceBasePath = 'src/main/webapp', contextLoader = 'org.springframework.boot.test.context.SpringBootContextLoader', parent = [null]], attributes = map['org.springframework.test.context.web.ServletTestExecutionListener.activateListener' -> true]], class annotated with @DirtiesContext [false] with mode [null].

. ____ _

/\\ / ___'_ __ (_)_ _ \ \ \ \

( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \

\\/ ___)| |_)| | | | | || (_| | ) ) ) )

' |____| .__|_| |_|_| |_\__, | / / / /

=========|_|==============|___/=/_/_/_/

:: Spring Boot :: (v2.7.12)

2023-06-26 17:02:51.012 INFO 16528 --- [ main] study.querydsl.QuerydslBasicTest : Starting QuerydslBasicTest using Java 11.0.15 on DESKTOP-UKCCBE9 with PID 16528 (started by alita in C:\Users\alita\Desktop\querydsl\querydsl)

2023-06-26 17:02:51.013 INFO 16528 --- [ main] study.querydsl.QuerydslBasicTest : No active profile set, falling back to 1 default profile: "default"

2023-06-26 17:02:51.530 INFO 16528 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode.

2023-06-26 17:02:51.544 INFO 16528 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 7 ms. Found 0 JPA repository interfaces.

2023-06-26 17:02:52.025 INFO 16528 --- [ main] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [name: default]

2023-06-26 17:02:52.079 INFO 16528 --- [ main] org.hibernate.Version : HHH000412: Hibernate ORM core version 5.6.15.Final

2023-06-26 17:02:52.234 INFO 16528 --- [ main] o.hibernate.annotations.common.Version : HCANN000001: Hibernate Commons Annotations {5.1.2.Final}

2023-06-26 17:02:52.480 INFO 16528 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting...

2023-06-26 17:02:52.647 INFO 16528 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Start completed.

2023-06-26 17:02:52.678 INFO 16528 --- [ main] org.hibernate.dialect.Dialect : HHH000400: Using dialect: org.hibernate.dialect.MySQL8Dialect

2023-06-26 17:02:53.242 DEBUG 16528 --- [ main] org.hibernate.SQL :

alter table member

drop

foreign key FKcjte2jn9pvo9ud2hyfgwcja0k

Hibernate:

alter table member

drop

foreign key FKcjte2jn9pvo9ud2hyfgwcja0k

2023-06-26 17:02:53.256 DEBUG 16528 --- [ main] org.hibernate.SQL :

drop table if exists hello

Hibernate:

drop table if exists hello

2023-06-26 17:02:53.260 DEBUG 16528 --- [ main] org.hibernate.SQL :

drop table if exists hibernate_sequence

Hibernate:

drop table if exists hibernate_sequence

2023-06-26 17:02:53.266 DEBUG 16528 --- [ main] org.hibernate.SQL :

drop table if exists member

Hibernate:

drop table if exists member

2023-06-26 17:02:53.270 DEBUG 16528 --- [ main] org.hibernate.SQL :

drop table if exists team

Hibernate:

drop table if exists team

2023-06-26 17:02:53.275 DEBUG 16528 --- [ main] org.hibernate.SQL :

create table hello (

id bigint not null,

primary key (id)

) engine=InnoDB

Hibernate:

create table hello (

id bigint not null,

primary key (id)

) engine=InnoDB

2023-06-26 17:02:53.286 DEBUG 16528 --- [ main] org.hibernate.SQL :

create table hibernate_sequence (

next_val bigint

) engine=InnoDB

Hibernate:

create table hibernate_sequence (

next_val bigint

) engine=InnoDB

2023-06-26 17:02:53.296 DEBUG 16528 --- [ main] org.hibernate.SQL :

insert into hibernate_sequence values ( 1 )

Hibernate:

insert into hibernate_sequence values ( 1 )

2023-06-26 17:02:53.297 DEBUG 16528 --- [ main] org.hibernate.SQL :

create table member (

member_id bigint not null,

age integer not null,

username varchar(255),

team_id bigint,

primary key (member_id)

) engine=InnoDB

Hibernate:

create table member (

member_id bigint not null,

age integer not null,

username varchar(255),

team_id bigint,

primary key (member_id)

) engine=InnoDB

2023-06-26 17:02:53.309 DEBUG 16528 --- [ main] org.hibernate.SQL :

create table team (

id bigint not null,

name varchar(255),

primary key (id)

) engine=InnoDB

Hibernate:

create table team (

id bigint not null,

name varchar(255),

primary key (id)

) engine=InnoDB

2023-06-26 17:02:53.317 DEBUG 16528 --- [ main] org.hibernate.SQL :

alter table member

add constraint FKcjte2jn9pvo9ud2hyfgwcja0k

foreign key (team_id)

references team (id)

Hibernate:

alter table member

add constraint FKcjte2jn9pvo9ud2hyfgwcja0k

foreign key (team_id)

references team (id)

2023-06-26 17:02:53.342 INFO 16528 --- [ main] o.h.e.t.j.p.i.JtaPlatformInitiator : HHH000490: Using JtaPlatform implementation: [org.hibernate.engine.transaction.jta.platform.internal.NoJtaPlatform]

2023-06-26 17:02:53.351 INFO 16528 --- [ main] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default'

2023-06-26 17:02:53.538 WARN 16528 --- [ main] JpaBaseConfiguration$JpaWebConfiguration : spring.jpa.open-in-view is enabled by default. Therefore, database queries may be performed during view rendering. Explicitly configure spring.jpa.open-in-view to disable this warning

2023-06-26 17:02:54.098 INFO 16528 --- [ main] study.querydsl.QuerydslBasicTest : Started QuerydslBasicTest in 3.391 seconds (JVM running for 4.357)

2023-06-26 17:02:54.207 INFO 16528 --- [ main] o.s.t.c.transaction.TransactionContext : Began transaction (1) for test context [DefaultTestContext@424fd310 testClass = QuerydslBasicTest, testInstance = study.querydsl.QuerydslBasicTest@4504a4ed, testMethod = startQuerydsl@QuerydslBasicTest, testException = [null], mergedContextConfiguration = [WebMergedContextConfiguration@1a45193b testClass = QuerydslBasicTest, locations = '{}', classes = '{class study.querydsl.QuerydslApplication}', contextInitializerClasses = '[]', activeProfiles = '{}', propertySourceLocations = '{}', propertySourceProperties = '{org.springframework.boot.test.context.SpringBootTestContextBootstrapper=true}', contextCustomizers = set[org.springframework.boot.test.autoconfigure.actuate.metrics.MetricsExportContextCustomizerFactory$DisableMetricExportContextCustomizer@1e13529a, org.springframework.boot.test.autoconfigure.properties.PropertyMappingContextCustomizer@0, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverContextCustomizerFactory$Customizer@93081b6, org.springframework.boot.test.context.filter.ExcludeFilterContextCustomizer@16c069df, org.springframework.boot.test.json.DuplicateJsonObjectContextCustomizerFactory$DuplicateJsonObjectContextCustomizer@7c3fdb62, org.springframework.boot.test.mock.mockito.MockitoContextCustomizer@0, org.springframework.boot.test.web.client.TestRestTemplateContextCustomizer@4d6025c5, org.springframework.boot.test.context.SpringBootTestArgs@1, org.springframework.boot.test.context.SpringBootTestWebEnvironment@80ec1f8], resourceBasePath = 'src/main/webapp', contextLoader = 'org.springframework.boot.test.context.SpringBootContextLoader', parent = [null]], attributes = map['org.springframework.test.context.web.ServletTestExecutionListener.activateListener' -> true, 'org.springframework.test.context.web.ServletTestExecutionListener.populatedRequestContextHolder' -> true, 'org.springframework.test.context.web.ServletTestExecutionListener.resetRequestContextHolder' -> true, 'org.springframework.test.context.event.ApplicationEventsTestExecutionListener.recordApplicationEvents' -> false]]; transaction manager [org.springframework.orm.jpa.JpaTransactionManager@250e8712]; rollback [true]

2023-06-26 17:02:54.308 DEBUG 16528 --- [ main] org.hibernate.SQL :

select

next_val as id_val

from

hibernate_sequence for update

Hibernate:

select

next_val as id_val

from

hibernate_sequence for update

2023-06-26 17:02:54.328 DEBUG 16528 --- [ main] org.hibernate.SQL :

update

hibernate_sequence

set

next_val= ?

where

next_val=?

Hibernate:

update

hibernate_sequence

set

next_val= ?

where

next_val=?

2023-06-26 17:02:54.355 DEBUG 16528 --- [ main] org.hibernate.SQL :

select

next_val as id_val

from

hibernate_sequence for update

Hibernate:

select

next_val as id_val

from

hibernate_sequence for update

2023-06-26 17:02:54.356 DEBUG 16528 --- [ main] org.hibernate.SQL :

update

hibernate_sequence

set

next_val= ?

where

next_val=?

Hibernate:

update

hibernate_sequence

set

next_val= ?

where

next_val=?

2023-06-26 17:02:54.359 DEBUG 16528 --- [ main] org.hibernate.SQL :

select

next_val as id_val

from

hibernate_sequence for update

Hibernate:

select

next_val as id_val

from

hibernate_sequence for update

2023-06-26 17:02:54.359 DEBUG 16528 --- [ main] org.hibernate.SQL :

update

hibernate_sequence

set

next_val= ?

where

next_val=?

Hibernate:

update

hibernate_sequence

set

next_val= ?

where

next_val=?

2023-06-26 17:02:54.362 DEBUG 16528 --- [ main] org.hibernate.SQL :

select

next_val as id_val

from

hibernate_sequence for update

Hibernate:

select

next_val as id_val

from

hibernate_sequence for update

2023-06-26 17:02:54.363 DEBUG 16528 --- [ main] org.hibernate.SQL :

update

hibernate_sequence

set

next_val= ?

where

next_val=?

Hibernate:

update

hibernate_sequence

set

next_val= ?

where

next_val=?

2023-06-26 17:02:54.365 DEBUG 16528 --- [ main] org.hibernate.SQL :

select

next_val as id_val

from

hibernate_sequence for update

Hibernate:

select

next_val as id_val

from

hibernate_sequence for update

2023-06-26 17:02:54.365 DEBUG 16528 --- [ main] org.hibernate.SQL :

update

hibernate_sequence

set

next_val= ?

where

next_val=?

Hibernate:

update

hibernate_sequence

set

next_val= ?

where

next_val=?

2023-06-26 17:02:54.367 DEBUG 16528 --- [ main] org.hibernate.SQL :

select

next_val as id_val

from

hibernate_sequence for update

Hibernate:

select

next_val as id_val

from

hibernate_sequence for update

2023-06-26 17:02:54.368 DEBUG 16528 --- [ main] org.hibernate.SQL :

update

hibernate_sequence

set

next_val= ?

where

next_val=?

Hibernate:

update

hibernate_sequence

set

next_val= ?

where

next_val=?

2023-06-26 17:02:54.409 INFO 16528 --- [ main] o.s.t.c.transaction.TransactionContext : Rolled back transaction for test: [DefaultTestContext@424fd310 testClass = QuerydslBasicTest, testInstance = study.querydsl.QuerydslBasicTest@4504a4ed, testMethod = startQuerydsl@QuerydslBasicTest, testException = java.lang.NullPointerException, mergedContextConfiguration = [WebMergedContextConfiguration@1a45193b testClass = QuerydslBasicTest, locations = '{}', classes = '{class study.querydsl.QuerydslApplication}', contextInitializerClasses = '[]', activeProfiles = '{}', propertySourceLocations = '{}', propertySourceProperties = '{org.springframework.boot.test.context.SpringBootTestContextBootstrapper=true}', contextCustomizers = set[org.springframework.boot.test.autoconfigure.actuate.metrics.MetricsExportContextCustomizerFactory$DisableMetricExportContextCustomizer@1e13529a, org.springframework.boot.test.autoconfigure.properties.PropertyMappingContextCustomizer@0, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverContextCustomizerFactory$Customizer@93081b6, org.springframework.boot.test.context.filter.ExcludeFilterContextCustomizer@16c069df, org.springframework.boot.test.json.DuplicateJsonObjectContextCustomizerFactory$DuplicateJsonObjectContextCustomizer@7c3fdb62, org.springframework.boot.test.mock.mockito.MockitoContextCustomizer@0, org.springframework.boot.test.web.client.TestRestTemplateContextCustomizer@4d6025c5, org.springframework.boot.test.context.SpringBootTestArgs@1, org.springframework.boot.test.context.SpringBootTestWebEnvironment@80ec1f8], resourceBasePath = 'src/main/webapp', contextLoader = 'org.springframework.boot.test.context.SpringBootContextLoader', parent = [null]], attributes = map['org.springframework.test.context.web.ServletTestExecutionListener.activateListener' -> true, 'org.springframework.test.context.web.ServletTestExecutionListener.populatedRequestContextHolder' -> true, 'org.springframework.test.context.web.ServletTestExecutionListener.resetRequestContextHolder' -> true, 'org.springframework.test.context.event.ApplicationEventsTestExecutionListener.recordApplicationEvents' -> false]]

java.lang.NullPointerException

at study.querydsl.QuerydslBasicTest.startQuerydsl(QuerydslBasicTest.java:57)

at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.base/java.lang.reflect.Method.invoke(Method.java:566)

at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:725)

at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)

at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)

at org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149)

at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140)

at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84)

at org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(ExecutableInvoker.java:115)

at org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke$0(ExecutableInvoker.java:105)

at org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106)

at org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64)

at org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45)

at org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37)

at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:104)

at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:98)

at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$7(TestMethodTestDescriptor.java:214)

at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)

at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:210)

at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:135)

at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:66)

at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:151)

at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)

at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)

at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)

at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)

at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)

at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)

at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)

at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)

at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41)

at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155)

at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)

at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)

at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)

at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)

at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)

at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)

at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)

at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)

at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41)

at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155)

at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)

at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)

at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)

at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)

at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)

at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)

at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)

at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35)

at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57)

at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:54)

at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:107)

at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:88)

at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:54)

at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:67)

at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:52)

at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:114)

at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:86)

at org.junit.platform.launcher.core.DefaultLauncherSession$DelegatingLauncher.execute(DefaultLauncherSession.java:86)

at org.junit.platform.launcher.core.SessionPerRequestLauncher.execute(SessionPerRequestLauncher.java:53)

at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:57)

at com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38)

at com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11)

at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35)

at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:235)

at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:54)

2023-06-26 17:02:54.428 INFO 16528 --- [ionShutdownHook] j.LocalContainerEntityManagerFactoryBean : Closing JPA EntityManagerFactory for persistence unit 'default'

2023-06-26 17:02:54.430 INFO 16528 --- [ionShutdownHook] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown initiated...

2023-06-26 17:02:54.443 INFO 16528 --- [ionShutdownHook] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown completed.

Process finished with exit code -1

</code>

[질문 내용]
QType 활용 2:22초에서 강사님처럼 리팩토링 후 코드 실행시 NullPointer Exception이 발생합니다.

구글 파일 링크입니다.

https://drive.google.com/drive/folders/1FxQskkAngeLJcGPtmKUoj-XCmnxm0MVa?usp=sharing