update tests

Author: Kelly Selden

test/integration/index-test.js

@@ -246,6 +246,7 @@ describe(function() {
 from version: 1.13.15
 to version: 2.18.2
 output repo: https://github.com/ember-cli/ember-new-output
+codemods source: ember-app-codemods-manifest@1
 applicable codemods: `);
   });
 
@@ -266,6 +267,7 @@ applicable codemods: `);
 from version: 3.11.0-beta.1
 to version: 3.15.0
 output repo: https://github.com/ember-cli/ember-new-output
+codemods source: ember-app-codemods-manifest@1
 applicable codemods: ember-modules-codemod, ember-qunit-codemod, ember-test-helpers-codemod, es5-getter-ember-codemod, notify-property-change, qunit-dom-codemod, deprecate-merge-codemod, deprecate-router-events-codemod, cp-property-codemod, cp-volatile-codemod, cp-property-map-codemod, ember-angle-brackets-codemod, ember-data-codemod`);
   });