describe
----
all tests

describe benchmarks
----
all benchmarks

describe
foo
----
tests which match regex "foo"

describe cloud=gce
----
tests which are compatible with cloud "gce"

describe cloud=gce benchmarks
foo
----
benchmarks which match regex "foo" and are compatible with cloud "gce"

describe cloud=gce suite=nightly
----
tests which are compatible with cloud "gce" and are part of the "nightly" suite

describe cloud=local owner=kv benchmarks
----
benchmarks which are compatible with cloud "local" and have owner "kv"

describe cloud=gce suite=nightly
foo
----
tests which match regex "foo" and are compatible with cloud "gce" and are part of the "nightly" suite

describe cloud=gce suite=nightly benchmarks
foo
----
benchmarks which match regex "foo" and are compatible with cloud "gce" and are part of the "nightly" suite
