travis: allow test failures on MySQL 5.7
<pre>
ActiveRecord::StatementInvalid: Mysql2::Error:
Table 'performance_schema.session_variables' doesn't exist:
SHOW VARIABLES LIKE 'character_set_database'
</pre>
Refer:
* https://github.com/rails/rails/issues/21108
* https://github.com/rails/rails/pull/21318
git-svn-id: http://svn.redmine.org/redmine/branches/3.1-stable@14526
e93f8b46-1217-0410-a6f0-
8f06a7374b81
- env: "SUITE=ui DB=mariadb-5.5"
- env: "SUITE=ui DB=mariadb-10.0"
- env: "SUITE=ui DB=sqlite3"
+ - env: "SUITE=units DB=mysql-5.7-dmr"
+ - env: "SUITE=functionals DB=mysql-5.7-dmr"
+ - env: "SUITE=integration DB=mysql-5.7-dmr"
# SCM tests fail randomly due to IO.popen().
# http://www.redmine.org/issues/19091
# https://github.com/jruby/jruby/issues/779