package jalview.util;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertSame;
-import static org.junit.Assert.assertTrue;
-
+import static org.testng.AssertJUnit.assertSame;
+import static org.testng.AssertJUnit.assertEquals;
+import static org.testng.AssertJUnit.assertTrue;
+import org.testng.annotations.Test;
import java.awt.Color;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.Set;
-import org.junit.Test;
-
import jalview.api.AlignViewportI;
import jalview.datamodel.AlignedCodonFrame;
import jalview.datamodel.Alignment;