Add -race to CI

latest
Status Job ID Name Coverage
  Test
passed #2132
golang lint
Code lint

00:16:28

passed #2131
golang mongo goqt
Integration tests

00:03:36

failed #2130
golang mongo strong
Unit tests

00:01:49

 
Name Stage Failure
failed
Unit tests Test There is an unknown failure, please try again
PASS
2016/05/27 07:38:47 transport: http2Client.notifyError got notified that the client transport was broken EOF.
coverage: 80.8% of statements
2016/05/27 07:38:48 grpc: Conn.resetTransport failed to create client transport: connection error: desc = "transport: dial tcp [::1]:9000: getsockopt: connection refused"; Reconnecting to "localhost:9000"
Found 1 data race(s)
exit status 66
FAIL dfss/net 14.275s

ERROR: Build failed: exit code 1