         currentLocale={@state.currentLocale} />
     </BS.Col>
 
-    dueAt = <BS.Col sm=4 md=3>
+    dueAt = <BS.Col sm=4 md=3 key='common-due'>
       <TutorDateInput
         className='-assignment-due-date'
         ref="dueDate"

    </BS.Col>

    [
      opensAt,
      dueAt
    ]


    cannotEditNote = '  Open times cannot be edited after assignment is visible to students.' if @state.isVisibleToStudents

    assignmentNameLabel = [
      <span key='assignment-label'>{"#{@props.label} name"}</span>
      <span
        key='assignment-label-instructions'
        className='instructions'> (students will see this on their dashboard)</span>
    ]

    <div className="assignment">
