Remove unused import fail

Signed-off-by: Kim Jun Hyeong <ggprgrkjh@naver.com>

Author: junhyeongkim2

src/test/java/org/springframework/retry/interceptor/RetryOperationsInterceptorTests.java

@@ -49,7 +49,6 @@
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
 import static org.assertj.core.api.Assertions.assertThatIllegalStateException;
-import static org.junit.jupiter.api.Assertions.fail;
 
 /**
  * @author Dave Syer