[toggle-group-valid.tentative.html]
  [e.style['toggle-group'\] = "none" should set the property value]
    expected: FAIL

  [e.style['toggle-group'\] = "self self" should set the property value]
    expected: FAIL

  [e.style['toggle-group'\] = "mytoggle" should set the property value]
    expected: FAIL

  [e.style['toggle-group'\] = "mytoggle, yourtoggle" should set the property value]
    expected: FAIL

  [e.style['toggle-group'\] = "mytoggle, mytoggle" should set the property value]
    expected: FAIL

  [e.style['toggle-group'\] = "mytoggle self, yourtoggle" should set the property value]
    expected: FAIL

  [e.style['toggle-group'\] = "mytoggle self , yourtoggle self" should set the property value]
    expected: FAIL

  [e.style['toggle-group'\] = "mytoggle,yourtoggle self" should set the property value]
    expected: FAIL