1 files changed, 10 insertions, 0 deletions
diff --git a/spec/frontend/projects/commit_box/info/load_branches_spec.js b/spec/frontend/projects/commit_box/info/load_branches_spec.js
index e49d92188ed..b00a6378e07 100644
--- a/spec/frontend/projects/commit_box/info/load_branches_spec.js
+++ b/spec/frontend/projects/commit_box/info/load_branches_spec.js
@@ -4,6 +4,9 @@ import { setHTMLFixture } from 'helpers/fixtures';
 import waitForPromises from 'helpers/wait_for_promises';
 import { HTTP_STATUS_INTERNAL_SERVER_ERROR, HTTP_STATUS_OK } from '~/lib/utils/http_status';
 import { loadBranches } from '~/projects/commit_box/info/load_branches';
+import { initDetailsButton } from '~/projects/commit_box/info/init_details_button';
+
+jest.mock('~/projects/commit_box/info/init_details_button');
 
 const mockCommitPath = '/commit/abcd/branches';
 const mockBranchesRes =
@@ -26,6 +29,13 @@ describe('~/projects/commit_box/info/load_branches', () => {
     mock.onGet(mockCommitPath).reply(HTTP_STATUS_OK, mockBranchesRes);
   });
 
+  it('initializes the details button', async () => {
+    loadBranches();
+    await waitForPromises();
+
+    expect(initDetailsButton).toHaveBeenCalled();
+  });
+
   it('loads and renders branches info', async () => {
     loadBranches();
     await waitForPromises();