import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
-import static org.mockito.Matchers.eq;
+import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.ArgumentMatchers.isA;
import static org.mockito.Mockito.doNothing;
import static org.mockito.Mockito.doReturn;