Extole integration--cleaned up tests and made a few minor fixes

Made a few slight fixes and cleaned up the spacing on the test suite.
Ah, good to know. I think passing the element directly is easier to follow and will make maintenance of the integration easier in the long term (I'm sure other folks here at Segment will similarly wonder if the element *needs* to be attached to the DOM), so if there's no disadvantage let's just pass it as a parameter. (Again, I'm sure I'm missing context here, so feel free to correct if I'm off base.)