Fix possible svn race condition during testing
Fix possible svn race condition during testing

Always call `svn update` before committing changes
This fixes a random failure in qitoolchain/test/test_svn_package.py

Change-Id: I1eaeb7101d4931290292c8f85b644824ca3ded10

dmerejkowsky/qibuild,dmerejkowsky/qibuild,aldebaran/qibuild,aldebaran/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild,dmerejkowsky/qibuild