Bug 1497007 - Removed extra word in test case description. r=ttung,asuth

Differential Revision: https://phabricator.services.mozilla.com/D46276

--HG--
extra : moz-landing-system : lando

testing/web-platform/meta/IndexedDB/idb-explicit-commit.any.js.ini

@@ -44,7 +44,7 @@
   [Transactions with same scope should stay in program order, even if one calls commit.]
     expected: FAIL
 
-  [Transactions that handle all errors properly should be behave as expected when an explicit commit is called in an onerror handler.]
+  [Transactions that handle all errors properly should behave as expected when an explicit commit is called in an onerror handler.]
     expected: FAIL
 
 
@@ -94,6 +94,6 @@
   [Transactions with same scope should stay in program order, even if one calls commit.]
     expected: FAIL
 
-  [Transactions that handle all errors properly should be behave as expected when an explicit commit is called in an onerror handler.]
+  [Transactions that handle all errors properly should behave as expected when an explicit commit is called in an onerror handler.]
     expected: FAIL
 

testing/web-platform/tests/IndexedDB/idb-explicit-commit.any.js

@@ -288,5 +288,5 @@ promise_test(async testCase => {
   assert_equals(getRequest1.result.title, 'title1');
   assert_equals(getRequest2.result.title, 'title2');
   db.close();
-}, 'Transactions that handle all errors properly should be behave as ' +
+}, 'Transactions that handle all errors properly should behave as ' +
    'expected when an explicit commit is called in an onerror handler.');