IDEA-148477 Handle AssertJ assertions in the same way as JUnit assertions

java/java-tests/testData/inspection/dataFlow/fixture/AssertThat.java

@@ -1,5 +1,6 @@
 import org.hamcrest.CoreMatchers;
 import org.jetbrains.annotations.Nullable;
+import org.assertj.core.api.Assertions;
 import static org.hamcrest.CoreMatchers.*;
 import static org.junit.Assert.assertThat;
 
@@ -15,4 +16,9 @@ class Contracts {
     int length = test.length();
   }
 
+  public void checkAssertJ(@Nullable Object object) {
+    Assertions.assertThat(object).isNotNull();
+    System.out.println(object.toString());
+  }
+
 }