Lower default phrase slop for exact matches to 0

This is more what people expect

Change-Id: I3246569e479f170be81448f835de1ca43fe68bc7
Cleanup integration test file

Change-Id: Ie341dd7da46c82238adfc95fac0a250e7b226fd7
Merge "Lower default phrase slop for exact matches to 0"
Merge "Cleanup integration test file"