Add some tests for updating ci runner information

spec/requests/ci/api/builds_spec.rb

@@ -35,7 +35,8 @@ describe Ci::API::API do
         end
       end
 
-      it "starts a build" do
+      context 'when there is a pending build' do
+        it 'starts a build' do
           register_builds info: { platform: :darwin }
 
           expect(response).to have_http_status(201)
@@ -49,6 +50,11 @@ describe Ci::API::API do
           )
         end
 
+        it 'updates runner info' do
+          expect { register_builds }.to change { runner.reload.contacted_at }
+        end
+      end
+
       context 'when builds are finished' do
         before do
           build.success
@@ -159,13 +165,18 @@ describe Ci::API::API do
       end
 
       context 'when runner is paused' do
-        let(:inactive_runner) { create(:ci_runner, :inactive, token: "InactiveRunner") }
+        let(:runner) { create(:ci_runner, :inactive, token: 'InactiveRunner') }
 
-        before do
-          register_builds inactive_runner.token
+        it 'responds with 404' do
+          register_builds
+
+          expect(response).to have_http_status 404
         end
 
-        it { expect(response).to have_http_status 404 }
+        it 'does not update runner info' do
+          expect { register_builds }
+            .not_to change { runner.reload.contacted_at }
+        end
       end
 
       def register_builds(token = runner.token, **params)