Fix the ReadTests_Join() tests.
Fix the ReadTests_Join() tests.

Many were giving errors under L2SQL that should either be ignored or the tests
were themselves buggy and fixed.


git-svn-id: 1800f71f313d917366f95485fa960eed04b40598@1147 33146b6e-df29-0410-a1ca-39be37fb9416

koush/dblinq,koush/dblinq