Fix a couple broken tests (check lookup in createJoinTransformation)
Fix a couple broken tests (check lookup in createJoinTransformation)

Dependencies/Deedle,jeyoor/Deedle,tpetricek/Deedle,buybackoff/Deedle,AtwooTM/Deedle,caioproiete/Deedle,filmor/Deedle,buybackoff/Deedle,filmor/Deedle,jeyoor/Deedle,caioproiete/Deedle,BlueMountainCapital/Deedle,AtwooTM/Deedle,tpetricek/Deedle,BlueMountainCapital/Deedle,Dependencies/Deedle,Dependencies/Deedle,AtwooTM/Deedle,caioproiete/Deedle,tpetricek/Deedle,buybackoff/Deedle,filmor/Deedle,jeyoor/Deedle,BlueMountainCapital/Deedle