Use 'swtpm --help | grep cuse' to determine whether CUSE interface
is supported and CUSE related tests need to run. Make sure that
SWTPM_EXE is available when test_cuse is sourced.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Add a test case that monitors the locking of the storage by swtpm using the
directory storage backend to ensure that the lock is taken at the right
time and released when required.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>