AbstractQueryChangesTest#byStatusOpen: Add coverage for is:pending

Bug: Issue 8605
Change-Id: Ifad41ff649a4fadef8d825bb3c2ddaa28df0dbc2
diff --git a/gerrit-server/src/test/java/com/google/gerrit/server/query/change/AbstractQueryChangesTest.java b/gerrit-server/src/test/java/com/google/gerrit/server/query/change/AbstractQueryChangesTest.java
index c06f305..6b47153 100644
--- a/gerrit-server/src/test/java/com/google/gerrit/server/query/change/AbstractQueryChangesTest.java
+++ b/gerrit-server/src/test/java/com/google/gerrit/server/query/change/AbstractQueryChangesTest.java
@@ -339,6 +339,7 @@
     assertQuery("status:pe", expected);
     assertQuery("status:pen", expected);
     assertQuery("is:open", expected);
+    assertQuery("is:pending", expected);
   }
 
   @Test