Add a force_timeout function to tests.
fixup! Add a force_timeout function to tests.
Merge pull request #70 from w3c/jgraham/force_timeout

Add a force_timeout function to tests.
Quick demo of single page tests.
fixup! Quick demo of single page tests.
Update documentation for single page tests
Fix review issues
Add some more edge cases for single page tests.
fixup! Update documentation for single page tests
Merge pull request #67 from w3c/jgraham/single_page

Add single-page test type.
Merge remote-tracking branch 'upstream/master'
Rename sample, add unreached_func