Fix build failures related to cherry-pick message changes

spec/requests/api/commits_spec.rb

@@ -791,7 +791,7 @@ describe API::Commits do
           expect(response).to have_gitlab_http_status(201)
           expect(response).to match_response_schema('public_api/v4/commit/basic')
           expect(json_response['title']).to eq(commit.title)
-          expect(json_response['message']).to eq(commit.message)
+          expect(json_response['message']).to eq(commit.cherry_pick_message(project, branch))
           expect(json_response['author_name']).to eq(commit.author_name)
           expect(json_response['committer_name']).to eq(user.name)
         end

spec/requests/api/v3/commits_spec.rb

@@ -474,7 +474,7 @@ describe API::V3::Commits do
 
         expect(response).to have_http_status(201)
         expect(json_response['title']).to eq(master_pickable_commit.title)
-        expect(json_response['message']).to eq(master_pickable_commit.message)
+        expect(json_response['message']).to eq(master_pickable_commit.cherry_pick_message(project, 'master'))
         expect(json_response['author_name']).to eq(master_pickable_commit.author_name)
         expect(json_response['committer_name']).to eq(user.name)
       end