diff -u b/term_merge.test b/term_merge.test
--- b/term_merge.test
+++ b/term_merge.test
@@ -627,7 +627,8 @@
           // with valid suggestions.
           $response = $this->drupalGet('term-merge/autocomplete/term-trunk/' . $this->vocabulary->machine_name . '/' . drupal_strtoupper($terms['term_trunk']->name));
           $response = drupal_json_decode($response);
-          $this->assertTrue(isset($response[$terms['term_trunk']->name]), 'Autocomplete menu path replies with valid suggestions for term trunk autocomplete widget.');
+          $autocomplete_key = $terms['term_trunk']->name . ' (' . $terms['term_trunk']->tid . ')';
+          $this->assertTrue(isset($response[$autocomplete_key]), 'Autocomplete menu path replies with valid suggestions for term trunk autocomplete widget.');
 
           // Making sure for the term trunk autocomplete widget doesn't allow to
           // submit any of the selected term branches nor their children.