Set logModifiedComponents in jest and karma

Also:
- stub MutationObserver in Jest

1 files changed, 4 insertions, 0 deletions

diff --git a/spec/javascripts/test_bundle.js b/spec/javascripts/test_bundle.js
index 8c80a425581..2cc476ed52a 100644
--- a/spec/javascripts/test_bundle.js
+++ b/spec/javascripts/test_bundle.js
@@ -10,12 +10,16 @@ import VueResource from 'vue-resource';
 import Translate from '~/vue_shared/translate';
 import CheckEE from '~/vue_shared/mixins/is_ee';
 import jasmineDiff from 'jasmine-diff';
+import { config as testUtilsConfig } from '@vue/test-utils';
 
 import { getDefaultAdapter } from '~/lib/utils/axios_utils';
 import { FIXTURES_PATH, TEST_HOST } from './test_constants';
 
 import customMatchers from './matchers';
 
+// Tech debt issue TBD
+testUtilsConfig.logModifiedComponents = false;
+
 const isHeadlessChrome = /\bHeadlessChrome\//.test(navigator.userAgent);
 Vue.config.devtools = !isHeadlessChrome;
 Vue.config.productionTip = false;