(MODULES-4761) Fixing SLES12 acceptance tests
(MODULES-4761) Fixing SLES12 acceptance tests

Adding SLES to a condition that runs an extra step as part of a test.
This allows the tests to pass.

squarit/puppetlabs-mysql,puppetlabs/puppetlabs-mysql,jbondpdx/puppetlabs-mysql,simp/puppetlabs-mysql,markasammut/puppetlabs-mysql,fuel-infra/puppetlabs-mysql,Adaptavist/puppet-mysql,simp/puppetlabs-mysql,DavidS/puppetlabs-mysql,DavidS/puppetlabs-mysql,markasammut/puppetlabs-mysql,Adaptavist/puppet-mysql,squarit/puppetlabs-mysql,puppetlabs/puppetlabs-mysql,fuel-infra/puppetlabs-mysql,jbondpdx/puppetlabs-mysql