PublicKeyStoreTest: Fix order of expected and actual results

Change-Id: I99915717f6e85f03268d0822534d257328de0236
Signed-off-by: Edwin Kempin <ekempin@google.com>

gerrit-gpg/src/test/java/com/google/gerrit/gpg/PublicKeyStoreTest.java

@@ -242,7 +242,7 @@ public class PublicKeyStoreTest {
       actual.add(userIds.next());
     }
 
-    assertEquals(actual, Arrays.asList(expected));
+    assertEquals(Arrays.asList(expected), actual);
   }
 
   private CommitBuilder newCommitBuilder() {