Merge branch 'jivanvl-update-environment-rollback-spec' into 'master'

Make environment_rollback spec compatible with bootstrap/vue 2

See merge request gitlab-org/gitlab!20505

spec/frontend/environments/environment_rollback_spec.js

@@ -13,6 +13,8 @@ describe('Rollback Component', () => {
         isLastDeployment: true,
         environment: {},
       },
+      attachToDocument: true,
+      sync: false,
     });
 
     expect(wrapper.element).toHaveSpriteIcon('repeat');
@@ -25,6 +27,8 @@ describe('Rollback Component', () => {
         isLastDeployment: false,
         environment: {},
       },
+      attachToDocument: true,
+      sync: false,
     });
 
     expect(wrapper.element).toHaveSpriteIcon('redo');