GRAILS-10904 - Fix for transactional=false IntegrationSpec
run failing tests in isolation
run RespondMethodSpec tests in isolation
Revert "GRAILS-10897: Add default grails.mime.types config in ControllerUnitTestMixin"

This reverts commit 2c60db2aebf5dfe169156c12aff0947a4cd65b61.
Revert "Fix tests after grails.mime.types config change"

This reverts commit 34db156fd98910914d84465bb2605da36c27a390.
Merge pull request #442 from beccagaspard/GRAILS-10904

GRAILS-10904 - Fix for transactional=false IntegrationSpec
Fix for GRAILS-10968: @PostConstruct and @PreDestroy are ignored in unit tests
bean should be called 'proxyHandler'
Fix for GRAILS-10948: Respond method creates model name with _$$_javassist_