HADOOP-15280. TestKMS.testWebHDFSProxyUserKerb and TestKMS.testWebHDFSProxyUserSimple fail in trunk. Contributed by Bharat Viswanadham.

hadoop-common-project/hadoop-kms/src/test/java/org/apache/hadoop/crypto/key/kms/server/TestKMS.java

@@ -2667,7 +2667,11 @@ public class TestKMS {
                   kp.createKey("kbb", new KeyProvider.Options(conf));
                   Assert.fail();
                 } catch (Exception ex) {
-                  Assert.assertTrue(ex.getMessage(), ex.getMessage().contains("Forbidden"));
+                  GenericTestUtils.assertExceptionContains("Error while " +
+                      "authenticating with endpoint", ex);
+                  GenericTestUtils.assertExceptionContains("Forbidden", ex
+                      .getCause().getCause());
+
                 }
                 return null;
               }