package jalview.datamodel;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNull;
-
-import org.junit.Test;
-
+import static org.testng.AssertJUnit.assertEquals;
+import static org.testng.AssertJUnit.assertNull;
+import org.testng.annotations.Test;
import jalview.analysis.AlignSeq;
import jalview.io.AppletFormatAdapter;