Sequence throws NPE if task outcome is null

If a task outcome is null, then sequence() throws an NPE.  Modified
it to treat a null outcome as a failure.

Issue-ID: POLICY-1625
Signed-off-by: Jim Hahn <jrh3@att.com>
Change-Id: I57b8be27f72c7cbf43e0b3b8816696ab1928f396

1 files changed, 2 insertions, 0 deletions

diff --git a/models-interactions/model-actors/actorServiceProvider/src/test/java/org/onap/policy/controlloop/actorserviceprovider/impl/OperationPartialTest.java b/models-interactions/model-actors/actorServiceProvider/src/test/java/org/onap/policy/controlloop/actorserviceprovider/impl/OperationPartialTest.java
index 229e5a32a..b73a3a068 100644
--- a/models-interactions/model-actors/actorServiceProvider/src/test/java/org/onap/policy/controlloop/actorserviceprovider/impl/OperationPartialTest.java
+++ b/models-interactions/model-actors/actorServiceProvider/src/test/java/org/onap/policy/controlloop/actorserviceprovider/impl/OperationPartialTest.java
@@ -360,6 +360,8 @@ public class OperationPartialTest {
 
     @Test
     public void testIsSuccess() {
+        assertFalse(oper.isSuccess(null));
+
         OperationOutcome outcome = new OperationOutcome();
 
         outcome.setResult(PolicyResult.SUCCESS);