Add simple test to fail in case of duplicate migration ids. (#11962)
Add simple test to fail in case of duplicate migration ids. (#11962)

Add simple test to fail in case of duplicate migration ids.
psiinon/addons-server,diox/olympia,diox/olympia,mozilla/addons-server,wagnerand/addons-server,mozilla/olympia,bqbn/addons-server,wagnerand/addons-server,bqbn/addons-server,mozilla/olympia,wagnerand/addons-server,bqbn/addons-server,psiinon/addons-server,eviljeff/olympia,wagnerand/addons-server,eviljeff/olympia,mozilla/addons-server,bqbn/addons-server,diox/olympia,mozilla/addons-server,diox/olympia,mozilla/olympia,eviljeff/olympia,mozilla/addons-server,psiinon/addons-server,eviljeff/olympia,mozilla/olympia,psiinon/addons-server