Fix testBlockRule_ParentBlocksChild() from RefControlTest

The assert was on force update which is not granted in this test.
Now it asserts on canUpdate() instead of canForceUpdate().

Change-Id: Ie8f0c90898ced045386cff044022da172b9f0f78
Signed-off-by: Eryk Szymanski <eryksz@gmail.com>
diff --git a/gerrit-server/src/test/java/com/google/gerrit/server/project/RefControlTest.java b/gerrit-server/src/test/java/com/google/gerrit/server/project/RefControlTest.java
index 5b5b318..75063c8 100644
--- a/gerrit-server/src/test/java/com/google/gerrit/server/project/RefControlTest.java
+++ b/gerrit-server/src/test/java/com/google/gerrit/server/project/RefControlTest.java
@@ -301,7 +301,7 @@
     grant(util.getParentConfig(), PUSH, ANONYMOUS_USERS, "refs/tags/*").setBlock();
 
     ProjectControl u = util.user(local, DEVS);
-    assertFalse("u can't force update tag", u.controlForRef("refs/tags/V10").canForceUpdate());
+    assertFalse("u can't update tag", u.controlForRef("refs/tags/V10").canUpdate());
   }
 
   @Test