bug 1159337 - Add DB queries for test failure
bug 1159337 - Add DB queries for test failure

This code will capture the database queries, so that the queries for a
failing test can be compared to the passing test.

mdn/browsercompat,renoirb/browsercompat,jwhitlock/web-platform-compat,jwhitlock/web-platform-compat,jwhitlock/web-platform-compat,renoirb/browsercompat,mdn/browsercompat,renoirb/browsercompat,mdn/browsercompat