bug 1063565 - Fix integration database setup
bug 1063565 - Fix integration database setup

Use $DATABASE_NAME, so that database setup matches database settings
matches database cleanup.

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