Update JavaDoc for checkError() to accurately describe behavior.
checkError() only checks that the given string appears in the error message, not
that it ends with. checkError calls through to MoreAsserts which implements this
behavior.
@@ -1044,7 +1044,7 @@ public abstract class BuildViewTestCase extends FoundationTestCase {
/**
* Check that configuration of the target named 'ruleName' in the
- * specified BUILD file fails with an error message ending in
+ * specified BUILD file fails with an error message containing
* 'expectedErrorMessage'.
*
* @param packageName the package name of the generated BUILD file
