Remove unused specs

These have been commented-out for more than 2 and a half years;
I can't think of a legitimate reason for keeping them around at this
point.

These were originally commented out here in
47409654

common/lib/xmodule/xmodule/js/spec/capa/display_spec.coffee

@@ -71,13 +71,6 @@ describe 'Problem', ->
     it 'bind the math input', ->
       expect($('input.math')).toHandleWith 'keyup', @problem.refreshMath
 
-    # TODO: figure out why failing
-    xit 'replace math content on the page', ->
-      expect(MathJax.Hub.Queue.mostRecentCall.args).toEqual [
-        ['Text', @stubbedJax, ''],
-        [@problem.updateMathML, @stubbedJax, $('#input_example_1').get(0)]
-      ]
-
   describe 'bind_with_custom_input_id', ->
     beforeEach ->
       spyOn window, 'update_schematics'
@@ -205,15 +198,6 @@ describe 'Problem', ->
         expect(@problem.el.html()).toEqual 'Incorrect!'
         expect(window.SR.readElts).toHaveBeenCalled()
 
-    # TODO: figure out why failing
-    xdescribe 'when the response is undetermined', ->
-      it 'alert the response', ->
-        spyOn window, 'alert'
-        spyOn($, 'postWithPrefix').andCallFake (url, answers, callback) ->
-          callback(success: 'Number Only!')
-        @problem.check()
-        expect(window.alert).toHaveBeenCalledWith 'Number Only!'
-
   describe 'reset', ->
     beforeEach ->
       @problem = new Problem($('.xblock-student_view'))
@@ -554,13 +538,6 @@ describe 'Problem', ->
       runs ->
         expect(window.SR.readElts).toHaveBeenCalled()
 
-    # TODO: figure out why failing
-    xit 'alert to the user', ->
-      spyOn window, 'alert'
-      spyOn($, 'postWithPrefix').andCallFake (url, answers, callback) -> callback(success: 'OK')
-      @problem.save()
-      expect(window.alert).toHaveBeenCalledWith 'Saved'
-
   describe 'refreshMath', ->
     beforeEach ->
       @problem = new Problem($('.xblock-student_view'))
@@ -613,11 +590,6 @@ describe 'Problem', ->
       @problem.refreshAnswers()
       expect(@stubCodeMirror.save).toHaveBeenCalled()
 
-    # TODO: figure out why failing
-    xit 'serialize all answers', ->
-      @problem.refreshAnswers()
-      expect(@problem.answers).toEqual "input_1_1=one&input_1_2=two"
-
   describe 'multiple JsInput in single problem', ->
     jsinput_html = readFixtures('jsinput_problem.html')
 

common/lib/xmodule/xmodule/js/spec/sequence/display_spec.coffee

-# TODO: figure out why failing
-xdescribe 'Sequence', ->
-  beforeEach ->
-    # Stub MathJax
-    window.MathJax = { Hub: { Queue: -> } }
-    spyOn Logger, 'log'
-
-    loadFixtures 'sequence.html'
-    @items = $.parseJSON readFixtures('items.json')
-
-  describe 'constructor', ->
-    beforeEach ->
-      @sequence = new Sequence '1', 'sequence_1', @items, 'sequence', 1
-
-    it 'set the element', ->
-      expect(@sequence.el).toEqual $('#sequence_1')
-
-    it 'build the navigation', ->
-      classes = $('#sequence-list li>a').map(-> $(this).attr('class')).get()
-      elements = $('#sequence-list li>a').map(-> $(this).attr('data-element')).get()
-      titles = $('#sequence-list li>a>p').map(-> $(this).html()).get()
-
-      # expect(classes).toEqual ['seq_video_active', 'seq_video_inactive', 'seq_problem_inactive']
-      expect(classes).toEqual ['active', 'inactive', 'visited']
-      expect(elements).toEqual ['1', '2', '3']
-      expect(titles).toEqual ['Video 1', 'Video 2', 'Sample Problem']
-
-    it 'bind the page events', ->
-      expect($('#sequence-list a')).toHandleWith 'click', @sequence.goto
-
-    it 'render the active sequence content', ->
-      expect($('#seq_content').html()).toEqual 'Video 1'
-
-  describe 'toggleArrows', ->
-    beforeEach ->
-      @sequence = new Sequence '1', 'sequence_1', @items, 'sequence', 1
-
-    describe 'when the first tab is active', ->
-      beforeEach ->
-        @sequence.position = 1
-        @sequence.toggleArrows()
-
-      it 'disable the previous button', ->
-        expect($('.sequence-nav-button.button-previous')).toHaveClass 'disabled'
-
-      it 'enable the next button', ->
-        expect($('.sequence-nav-button.button-next')).not.toHaveClass 'disabled'
-        expect($('.sequence-nav-button.button-next')).toHandleWith 'click', @sequence.next
-
-    describe 'when the middle tab is active', ->
-      beforeEach ->
-        @sequence.position = 2
-        @sequence.toggleArrows()
-
-      it 'enable the previous button', ->
-        expect($('.sequence-nav-button.button-previous')).not.toHaveClass 'disabled'
-        expect($('.sequence-nav-button.button-previous')).toHandleWith 'click', @sequence.previous
-
-      it 'enable the next button', ->
-        expect($('.sequence-nav-button.button-next')).not.toHaveClass 'disabled'
-        expect($('.sequence-nav-button.button-next')).toHandleWith 'click', @sequence.next
-
-    describe 'when the last tab is active', ->
-      beforeEach ->
-        @sequence.position = 3
-        @sequence.toggleArrows()
-
-      it 'enable the previous button', ->
-        expect($('.sequence-nav-button.button-previous')).not.toHaveClass 'disabled'
-        expect($('.sequence-nav-button.button-previous')).toHandleWith 'click', @sequence.previous
-
-      it 'disable the next button', ->
-        expect($('.sequence-nav-button.button-next')).toHaveClass 'disabled'
-
-  describe 'render', ->
-    beforeEach ->
-      spyOn $, 'postWithPrefix'
-      @sequence = new Sequence '1', 'sequence_1', @items, 'sequence'
-      spyOnEvent @sequence.el, 'contentChanged'
-      spyOn(@sequence, 'toggleArrows').andCallThrough()
-
-    describe 'with a different position than the current one', ->
-      beforeEach ->
-        @sequence.render 1
-
-      describe 'with no previous position', ->
-        it 'does not save the new position', ->
-          expect($.postWithPrefix).not.toHaveBeenCalled()
-
-      describe 'with previous position', ->
-        beforeEach ->
-          @sequence.position = 2
-          @sequence.render 1
-
-        it 'mark the previous tab as visited', ->
-          # expect($('[data-element="2"]')).toHaveClass 'seq_video_visited'
-          expect($('[data-element="2"]')).toHaveClass 'visited'
-
-        it 'save the new position', ->
-          expect($.postWithPrefix).toHaveBeenCalledWith '/modx/1/goto_position', position: 1
-
-      it 'mark new tab as active', ->
-        # expect($('[data-element="1"]')).toHaveClass 'seq_video_active'
-        expect($('[data-element="1"]')).toHaveClass 'active'
-
-      it 'render the new content', ->
-        expect($('#seq_content').html()).toEqual 'Video 1'
-
-      it 'update the position', ->
-        expect(@sequence.position).toEqual 1
-
-      it 're-update the arrows', ->
-        expect(@sequence.toggleArrows).toHaveBeenCalled()
-
-      it 'trigger contentChanged event', ->
-        expect('contentChanged').toHaveBeenTriggeredOn @sequence.el
-
-    describe 'with the same position as the current one', ->
-      it 'should not trigger contentChanged event', ->
-        @sequence.position = 2
-        @sequence.render 2
-        expect('contentChanged').not.toHaveBeenTriggeredOn @sequence.el
-
-  describe 'goto', ->
-    beforeEach ->
-      jasmine.stubRequests()
-      @sequence = new Sequence '1', 'sequence_1', @items, 'sequence', 2
-      $('[data-element="3"]').click()
-
-    it 'log the sequence goto event', ->
-      expect(Logger.log).toHaveBeenCalledWith 'seq_goto', old: 2, new: 3, id: '1'
-
-    it 'call render on the right sequence', ->
-      expect($('#seq_content').html()).toEqual 'Sample Problem'
-
-  describe 'next', ->
-    beforeEach ->
-      jasmine.stubRequests()
-      @sequence = new Sequence '1', 'sequence_1', @items, 'sequence', 2
-      $.scrollTo 150
-      $('.sequence-nav-button.button-next').click()
-
-    it 'log the next sequence event', ->
-      expect(Logger.log).toHaveBeenCalledWith 'seq_next', old: 2, new: 3, id: '1'
-
-    it 'call render on the next sequence', ->
-      expect($('#seq_content').html()).toEqual 'Sample Problem'
-
-    it 'scrolls to the top of the page', ->
-      expect($('body').scrollTop()).toBe 0
-
-  describe 'previous', ->
-    beforeEach ->
-      jasmine.stubRequests()
-      @sequence = new Sequence '1', 'sequence_1', @items, 'sequence', 2
-      $.scrollTo 150
-      $('.sequence-nav-button.button-previous').click()
-
-    it 'log the previous sequence event', ->
-      expect(Logger.log).toHaveBeenCalledWith 'seq_prev', old: 2, new: 1, id: '1'
-
-    it 'call render on the previous sequence', ->
-      expect($('#seq_content').html()).toEqual 'Video 1'
-
-    it 'scrolls to the top of the page', ->
-      expect($('body').scrollTop()).toBe 0
-
-  describe 'link_for', ->
-    it 'return a link for specific position', ->
-      sequence = new Sequence '1', 'sequence_1', @items, 2
-      expect(sequence.link_for(2)).toBe '[data-element="2"]'