Add quick test for skip_hash_check.

tests/feeds_processor_term.test

@@ -71,7 +71,7 @@ class FeedsCSVtoTermsTest extends FeedsWebTestCase {
     // Force update.
     $this->setSettings('term_import', 'FeedsTermProcessor', array(
       'skip_hash_check' => TRUE,
-      'update_existing' => FEEDS_UPDATE_EXISTING,
+      'update_existing' => 2,
     ));
     $this->importFile('term_import', $this->absolutePath() . '/tests/feeds/users.csv');
     $this->assertText('Updated 5 terms.');