Fix expanding folds on firefox

assets/scripts/app/views/application.coffee

@@ -7,7 +7,7 @@ Travis.reopen
       @rerender()
     ).observes('templateName')
 
-    click: ->
+    click: (event) ->
       # TODO: this solves the case of closing menus and popups,
       #       but I would like to rewrite it later, not sure how
       #       yet, but this does not seem optimal

assets/scripts/app/views/log.coffee

@@ -83,7 +83,7 @@ Travis.reopen
       $('#log').on 'mouseenter', 'a', ->
         $(@).attr('href', '#L' + ($("#log p:visible").index(@parentNode) + 1))
 
-    click: ->
+    click: (event) ->
       if (href = $(event.target).attr('href')) && matches = href?.match(/#L(\d+)$/)
         @lineNumberClicked(matches[1])
         event.stopPropagation()

assets/scripts/spec/job_spec.coffee

@@ -3,7 +3,7 @@ describe 'on the "job" state', ->
     $.mockjax
       url: '/jobs/1/log?cors_hax=true'
       responseTime: 0
-      responseText: 'log 1'
+      responseText: "First line\ncontent:travis_fold:start:install\r$ Install something\nInstalling something\ncontent:travis_fold:end:install\r$ End"
 
 
     app 'travis-ci/travis-core/jobs/1'
@@ -41,9 +41,22 @@ describe 'on the "job" state', ->
         job:     { href: '/travis-ci/travis-core/jobs/1', active: true }
 
       displaysLog [
-        'log 1'
+        'First line',
+        '$ Install something',
+        'Installing something',
+        '$ End'
       ]
 
+  it 'allows to expand folds', ->
+    waits 100
+    runs ->
+      expect($('#fold-start-install').hasClass('open')).toBeFalsy()
+      $('#fold-start-install').click()
+      waits 20
+      runs ->
+        expect($('#fold-start-install').hasClass('open')).toBeTruthy()
+
+
 describe 'too long log', ->
   beforeEach ->
     $.mockjax

assets/scripts/spec/support/expectations.coffee

@@ -41,7 +41,7 @@
   expect(element.text()).toEqual data.message
 
 @displaysLog = (lines) ->
-  log = lines.join()
+  log = lines.join('')
   expect($('#log p').text().trim()).toEqual log
 
 @listsRepos = (items) ->