[stable11] Skip null groups in group manager#5813

Merged

rullzer merged 4 commits into

11-backport-3884

Jul 21, 2017

Commits on Jul 20, 2017

Skip null groups in group manager (#26871) (#26956)

Vincent Petry
authored and
MorrisJobke
committed
Use DI

nickvergessen
authored and
MorrisJobke
committed
Clean up the test

nickvergessen
authored and
MorrisJobke
committed
Fix 5.6 duplicate class import

nickvergessen
authored and
MorrisJobke
committed