Tests for manifests/db/instance.pp
It consists of two tests
1.With ensure is equal to present
  It will test mysql_database
  It will test mysql_user
  It will test mysql_grant
2.With ensure is equal to absent
  It will ensure mysql_databse should not be escaped
  It will ensure mysql_user should not be escaped
  It will ensure mysql_databse should  be escaped
Merge pull request #46 from amar266/master

Tests for manifests/db/instance.pp