ENHANCEMENT Allowing multiple fixtures to be defined in SapphireTest::$fixture_file through array notation.
BUGFIX Disabling DataObject validation in YamlFixture->saveIntoDatabase() instead of SapphireTest->setUp()
MINOR Adapted sapphire unit tests to deprecated $this->fixture usage
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@81286 467b73ca-7a2a-4603-9d3b-597d59a354a9