Fix expectation in hroller test
Fix expectation in hroller test

Regular expressions are not shell globs. So "any symbol" is expressed
by a dot, not a question mark. In this case, the confusion lead to a
too liberal expectation, hence the test passed. Fix it nevertheless.

Signed-off-by: Klaus Aehlig <4ce51de36d9068cd7db2eec1151e0f3f95419008@google.com>
Reviewed-by: Guido Trotter <f62ca4d5358bdaeef0e50e57f9f7e231de63727e@google.com>

leshchevds/ganeti,andir/ganeti,onponomarev/ganeti,apyrgio/snf-ganeti,apyrgio/ganeti,yiannist/ganeti,ganeti/ganeti,ganeti/ganeti,dimara/ganeti,bitemyapp/ganeti,grnet/snf-ganeti,leshchevds/ganeti,apyrgio/ganeti,onponomarev/ganeti,andir/ganeti,yiannist/ganeti,mbakke/ganeti,mbakke/ganeti,grnet/snf-ganeti,leshchevds/ganeti,ganeti/ganeti,ganeti-github-testing/ganeti-test-1,andir/ganeti,dimara/ganeti,apyrgio/snf-ganeti,bitemyapp/ganeti,mbakke/ganeti,ganeti-github-testing/ganeti-test-1,yiannist/ganeti