1.0.2dev: Extract `tester_class` to a class attribute of `FunctionalTestEnvironment`. Refs #11583.
1.0.2dev: Extract `tester_class` to a class attribute of `FunctionalTestEnvironment`. Refs #11583.

Patch by Olemis Lang.


git-svn-id: 3aa280b99a9b480b02b1e2eda394e64594ad3297@12676 af82e41b-90c4-0310-8c96-b1721e28e2e2

jun66j5/trac-ja,jun66j5/trac-ja,jun66j5/trac-ja,jun66j5/trac-ja