MemoryMemberRepositoryTest 실행 오류

해당 클래스를 실행하면 오류가 납니다. 일단 강의에서 회원관리 예제 강의를 듣기 전까지 수업 관련 코딩은 오류없이 잘 구동 됐었습니다. 

근데 여기서부터 막히는것 같습니다. 

MemoryMemberRepositoryTest를 run하면 아래와 같은 에러가 납니다.

> Task :compileJava UP-TO-DATE

> Task :processResources UP-TO-DATE

> Task :classes UP-TO-DATE

> Task :compileTestJava FAILED

C:\Users\����\Desktop\study\hello-spring\src\test\java\hello\hellospring\repository\MemoryMemberRepositoryTest.java:25: error: no suitable method found for assertThat(Member)

        assertThat(member).isEqualTo(result);

        ^

    method MatcherAssert.<T#1>assertThat(String,T#1,Matcher<? super T#1>) is not applicable

      (cannot infer type-variable(s) T#1

        (actual and formal argument lists differ in length))

    method MatcherAssert.<T#2>assertThat(T#2,Matcher<? super T#2>) is not applicable

      (cannot infer type-variable(s) T#2

        (actual and formal argument lists differ in length))

  where T#1,T#2 are type-variables:

    T#1 extends Object declared in method <T#1>assertThat(String,T#1,Matcher<? super T#1>)

    T#2 extends Object declared in method <T#2>assertThat(T#2,Matcher<? super T#2>)

C:\Users\����\Desktop\study\hello-spring\src\test\java\hello\hellospring\repository\MemoryMemberRepositoryTest.java:26: error: cannot find symbol

        Assertions.assertThat(member).isEqualTo(result);

                  ^

  symbol:   method assertThat(Member)

  location: class Assertions

C:\Users\����\Desktop\study\hello-spring\src\test\java\hello\hellospring\repository\MemoryMemberRepositoryTest.java:41: error: no suitable method found for assertThat(Member)

        assertThat(result).isEqualTo(member1);

        ^

    method MatcherAssert.<T#1>assertThat(String,T#1,Matcher<? super T#1>) is not applicable

      (cannot infer type-variable(s) T#1

        (actual and formal argument lists differ in length))

    method MatcherAssert.<T#2>assertThat(T#2,Matcher<? super T#2>) is not applicable

      (cannot infer type-variable(s) T#2

        (actual and formal argument lists differ in length))

  where T#1,T#2 are type-variables:

    T#1 extends Object declared in method <T#1>assertThat(String,T#1,Matcher<? super T#1>)

    T#2 extends Object declared in method <T#2>assertThat(T#2,Matcher<? super T#2>)

C:\Users\����\Desktop\study\hello-spring\src\test\java\hello\hellospring\repository\MemoryMemberRepositoryTest.java:55: error: no suitable method found for assertThat(int)

        assertThat(result.size()).isEqualTo(2);

        ^

    method MatcherAssert.<T#1>assertThat(String,T#1,Matcher<? super T#1>) is not applicable

      (cannot infer type-variable(s) T#1

        (actual and formal argument lists differ in length))

    method MatcherAssert.<T#2>assertThat(T#2,Matcher<? super T#2>) is not applicable

      (cannot infer type-variable(s) T#2

        (actual and formal argument lists differ in length))

  where T#1,T#2 are type-variables:

    T#1 extends Object declared in method <T#1>assertThat(String,T#1,Matcher<? super T#1>)

    T#2 extends Object declared in method <T#2>assertThat(T#2,Matcher<? super T#2>)

Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output

4 errors

FAILURE: Build failed with an exception.

* What went wrong:

Execution failed for task ':compileTestJava'.

> Compilation failed; see the compiler error output for details.

* Try:

Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

BUILD FAILED in 3s

3 actionable tasks: 1 executed, 2 up-to-date

그리고 화면 내에 store 에 저렇게 음영이 져있는데 어떻게 해야할지 모르겠습니다.

store에 알트엔터누르면  나오는 메뉴에서 뭘 선택해야 할지

모르겠습니다 .ㅜ

그리고 상단에 저렇게 오류가 나는데 어떤식으로 접근해서 어떻게 해결을 해야할지 잘 감이 오질 않습니다. 알려주시면 배우겠습니다. 부탁드립니다.