JavaScript: ClientRect.width and height are there for IE11, thanks to Ronald.

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adjust expectations (wip)

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adjust expectations (wip)

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adjust expectations (wip)

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adjust expectations (wip)

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adjust expectations (wip)

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prototype.js test migrated to webdriver

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don't start two servers on the same port

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fix expectations (wip)

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fix expectations (wip)

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fix expectations (wip)

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fix expectations (wip)

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