Merge branch 'ci-favicon-back-in' into 'master'

Added back in the CI status favicon

See merge request !10534

app/assets/javascripts/build.js

@@ -90,6 +90,8 @@ window.Build = (function () {
       success: ((log) => {
         const $buildContainer = $('.js-build-output');
 
+        gl.utils.setCiStatusFavicon(`${this.pageUrl}/status.json`);
+
         if (log.state) {
           this.state = log.state;
         }

spec/javascripts/build_spec.js

@@ -98,9 +98,9 @@ describe('Build', () => {
 
         jasmine.clock().tick(4001);
 
-        expect($.ajax.calls.count()).toBe(2);
+        expect($.ajax.calls.count()).toBe(3);
 
-        args = $.ajax.calls.argsFor(1)[0];
+        args = $.ajax.calls.argsFor(2)[0];
         expect(args.url).toBe(`${BUILD_URL}/trace.json`);
         expect(args.dataType).toBe('json');
         expect(args.data.state).toBe('newstate');
@@ -133,7 +133,7 @@ describe('Build', () => {
         expect($('#build-trace .js-build-output').text()).toMatch(/Update/);
 
         jasmine.clock().tick(4001);
-        args = $.ajax.calls.argsFor(1)[0];
+        args = $.ajax.calls.argsFor(2)[0];
         args.success.call($, {
           html: '<span>Different</span>',
           status: 'running',