Merge pull request #54 from Ensembl/test/ubuntu_20

Mysql 8 comressed data import
3 jobs for master in 4 minutes and 15 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #262974
test:perl5.14-sqlite

00:04:06

passed #262975
test:perl5.30-mysql

00:04:15

passed test:trigger_main