use an else here, doesn't change the execution of the code, just makes it easier to read

h2/src/test/org/h2/test/TestBase.java

@@ -678,7 +678,7 @@ public abstract class TestBase {
         } else if (expected == null || actual == null) {
             fail("Expected: " + expected + " Actual: " + actual + " " + message);
         }
-        if (!expected.equals(actual)) {
+        else if (!expected.equals(actual)) {
             for (int i = 0; i < expected.length(); i++) {
                 String s = expected.substring(0, i);
                 if (!actual.startsWith(s)) {