Fix a few dashboard flaky tests#22901

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stacey-gammon wants to merge 3 commits intoelastic:masterfrom

stacey-gammon:2018-09-06-fix-flaky-tests

Commits on Sep 13, 2018

Make sure the click is only when the button is enabled.
Stacey Gammon
committed
couple more places clicking go did nothing.
Stacey Gammon
committed
Add a waitForRenderComplete after add and dashboard save
Stacey Gammon
committed