package jalview.analysis;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNull;
+import static org.testng.AssertJUnit.assertEquals;
+import static org.testng.AssertJUnit.assertNull;
+
import jalview.datamodel.Sequence;
import jalview.datamodel.SequenceI;
import java.util.Hashtable;
-import org.junit.Test;
+import org.testng.annotations.Test;
public class AAFrequencyTest
{