profiler: fix gimme and reenable integration test
profiler: fix gimme and reenable integration test

Change-Id: Id55c3d357b209fd54fd6115775463795d64de19c
Reviewed-on: https://code-review.googlesource.com/c/gocloud/+/39074
Reviewed-by: Alexey Alexandrov <707c85aa1ca9cc766e4957d3fb95a91b4e895454@google.com>

googleapis/google-cloud-go,googleapis/google-cloud-go,googleapis/google-cloud-go,googleapis/google-cloud-go