Restrict tests to asylo-cfh
Restrict tests to asylo-cfh

The backend-switching strategy cfh requires the --config flags,
so restrict the queries that go to the test invocations to the
appropriate tag.

PiperOrigin-RevId: 282854038
Change-Id: I2dbf2294fd2cf6bcf0e234ff7d0f8cf587366e4b

google/asylo,google/asylo,google/asylo,google/asylo,google/asylo,google/asylo