Fix Web UI random failure on IT tests "Cannot read property 'ELEMENT' of null"

Error Message

TypeError: Cannot read property 'ELEMENT' of null
Stacktrace

TypeError: Cannot read property 'ELEMENT' of null
    at DocumentLayout.getField (test/pages/ui/browser/document_layout.js:9:17)
    at DocumentLayout.setFieldValue (test/pages/ui/browser/document_layout.js:19:26)
    at test/features/step_definitions/create_dialog.js:23:66
    at Array.forEach (native)
    at World.<anonymous> (test/features/step_definitions/create_dialog.js:22:18)
    at node_modules/meteor-promise/fiber_pool.js:32:39
    at Object.element (node_modules/webdriverio/build/lib/protocol/element.js:40:43)
    at Object.exec (node_modules/webdriverio/build/lib/helpers/safeExecute.js:28:24)
    at Object.resolve (node_modules/webdriverio/build/lib/webdriverio.js:193:29)
    at lastPromise.then.resolve.call.depth (node_modules/webdriverio/build/lib/webdriverio.js:449:32)
    at _fulfilled (node_modules/q/q.js:834:54)
    at self.promiseDispatch.done (node_modules/q/q.js:863:30)
    at Promise.promise.promiseDispatch (node_modules/q/q.js:796:13)
    at node_modules/q/q.js:556:49
    at runSingle (node_modules/q/q.js:137:13)
    at flush (node_modules/q/q.js:125:13)
    at _combinedTickCallback (internal/process/next_tick.js:67:7)
    at process._tickDomainCallback (internal/process/next_tick.js:122:9)

Error Message

TypeError: Cannot read property 'ELEMENT' of null
Stacktrace

TypeError: Cannot read property 'ELEMENT' of null
    at DocumentPage.get (test/pages/ui/browser/document_page.js:52:32)
    at World.<anonymous> (test/features/step_definitions/versions.js:116:5)
    at node_modules/meteor-promise/fiber_pool.js:32:39
    at Object.element (node_modules/webdriverio/build/lib/protocol/element.js:40:43)
    at Object.exec (node_modules/webdriverio/build/lib/helpers/safeExecute.js:28:24)
    at Object.resolve (node_modules/webdriverio/build/lib/webdriverio.js:193:29)
    at lastPromise.then.resolve.call.depth (node_modules/webdriverio/build/lib/webdriverio.js:449:32)
    at _fulfilled (node_modules/q/q.js:834:54)
    at self.promiseDispatch.done (node_modules/q/q.js:863:30)
    at Promise.promise.promiseDispatch (node_modules/q/q.js:796:13)
    at node_modules/q/q.js:556:49
    at runSingle (node_modules/q/q.js:137:13)
    at flush (node_modules/q/q.js:125:13)
    at _combinedTickCallback (internal/process/next_tick.js:67:7)
    at process._tickDomainCallback (internal/process/next_tick.js:122:9)