Unpend one test, remove another pending test. Fixes #783
The removed test was checking that the batch represented by the passed
batch_id was created after the file was uploaded. But Fcrepo4 prevents
us from referencing a URI that doesn't have an existing object, so the
batches had earlier been set to create immediately.
Merge pull request #784 from projecthydra/unpend_tests

Unpend one test, remove another pending test. Fixes #783