-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
-import jalview.datamodel.AlignmentI;
-import jalview.datamodel.ColumnSelection;
-import jalview.io.AnnotationFile.ViewDef;
+import static org.testng.AssertJUnit.assertNotNull;
+import static org.testng.AssertJUnit.assertTrue;