Move the TestBsddbStore Skip clause to setUp (from setUpClass)
Move the TestBsddbStore Skip clause to setUp (from setUpClass)

This matches the behavior of TestLevelDBStore and has the expected
effect (skipping the test) when running in nosetests.

wodim/cobe-ng,LeMagnesium/cobe,DarkMio/cobe,pteichman/cobe,pteichman/cobe,DarkMio/cobe,LeMagnesium/cobe,meska/cobe,wodim/cobe-ng,tiagochiavericosta/cobe,tiagochiavericosta/cobe,meska/cobe