Rails3: scm: subversion: fix error of test_browse_at_given_revision at functional test
On Rails 3.1, ActiveRecord::HasManyThroughCantAssociateThroughHasOneOrManyReflection error raises. For more details, see r7062.
Rails3: scm: subversion: fix error of test_browse_directory at functional test
Rails3: scm: subversion: fix error of test_browse_root at functional test
Rails3: scm: subversion: fix error of test_destroy_invalid_repository at functional test
Rails3: scm: subversion: fix error of test_destroy_valid_repository at functional test
Rails3: scm: subversion: fix error of test_annotate_at_given_revision at functional test
Rails3: scm: subversion: fix error of test_annotate at functional test
Rails3: scm: subversion: fix error of test_directory_diff at functional test
Rails3: scm: subversion: fix error of test_revision_diff at functional test
Rails3: scm: subversion: fix error of test_empty_revision at functional test