spec: automate C239984 theme_editor specs
spec: automate C239984 theme_editor specs

Revert "Revert "spec: automate C239984""
This reverts commit 5c6fbf15954e1aef384980768ce45bb14c2a2190.

test plan: specs pass

Change-Id: I3bdaa0566f233bf85a75c721a8fd90fe1081f38d
Reviewed-on: https://gerrit.instructure.com/96439
Tested-by: Jenkins
Reviewed-by: Pedro Fajardo <121b528f0c2f2e923ce3103793aca31b9a662ac4@instructure.com>
Product-Review: Jon Jensen <44f878afe53efc66b76772bd845eb65944ed8232@instructure.com>
QA-Review: Jon Jensen <44f878afe53efc66b76772bd845eb65944ed8232@instructure.com>

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