Ensure that test labels are visible and wrap to fit within the container.

Test labels are commonly defaulted to the test URL. URL strings may not contain many word-breaking characters, so the text overflows beyond the container.

word-wrap: break-word; ensures that the text breaks as necessary to keep the entire label visible.

Read more: https://developer.mozilla.org/en-US/docs/Web/CSS/word-wrap
Make test labels clickable when tests are still being run

Test labels are clickable on the comparison page when the results are in, but not clickable while the tests are still being run. Labels should always link to the test results page (or to a particular run, when available).

Need to override the color of the anchor from black to white for legibility.
Merge pull request #119 from rviscomi/master

Ensure that test labels wrap to fit within the container