Fix the Transactions.TransactionCheckAndRollbackInsert() test so that it runs  without error under L2SQL.  It was asserting incorrect behavior (that DataContext would know that an entity doesn't exist anymore when the enclosing transaction is rolled back).
Fix the Transactions.TransactionCheckAndRollbackInsert() test so that it runs 
without error under L2SQL.  It was asserting incorrect behavior (that
DataContext would know that an entity doesn't exist anymore when the enclosing
transaction is rolled back).


git-svn-id: 1800f71f313d917366f95485fa960eed04b40598@1151 33146b6e-df29-0410-a1ca-39be37fb9416

koush/dblinq,koush/dblinq