Fold the use of expect_keyid into create_key and suchlike to make it easier
to integrate notification checks into the existing superstructure, thereby
making them happen automatically rather than having to manually code them.

Signed-off-by: David Howells <dhowells@redhat.com>

The test runner and test scripts make use of non-POSIX (Bash specific)
features that cause problems when Bash is not /bin/sh. All mentions of
/bin/sh should be changed to /bin/bash to work on systems that, for
example, use Dash for /bin/sh.

Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Signed-off-by: David Howells <dhowells@redhat.com>

Import the RHEL test suite and make it able to run without the RHTS testing
infrastructure available.

Signed-off-by: David Howells <dhowells@redhat.com>