ActionsIT: Adapt to new error message

I7a8389e98d9e20794b06245dab007d93fed7ccf3, (f3614b0b8a,
Improve error message for grayed out submit buttons, 2nd edition)

broke the tests as an error message was off by a dot "." at the end.

Change-Id: Ic201e49dab555fdeee7afffe577e1c9d1d6a89b2
diff --git a/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/rest/change/ActionsIT.java b/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/rest/change/ActionsIT.java
index fe74d2d..b53d193 100644
--- a/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/rest/change/ActionsIT.java
+++ b/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/rest/change/ActionsIT.java
@@ -100,7 +100,7 @@
       assertThat(info.label).isEqualTo("Submit whole topic");
       assertThat(info.method).isEqualTo("POST");
       assertThat(info.title).isEqualTo(
-          "Clicking the button would fail for other changes in the topic.");
+          "Clicking the button would fail for other changes in the topic");
     } else {
       noSubmitWholeTopicAssertions(actions);
     }