Fix test pattern in zts-report.py

The pattern was not updated to match when the test output changed to
include a platform identifier for platform specific tests.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes openzfs#9750

tests/test-runner/bin/zts-report.py

@@ -287,7 +287,8 @@ def process_results(pathname):
 
     prefix = '/zfs-tests/tests/functional/'
     pattern = \
-        r'^Test:\s*\S*%s(\S+)\s*\(run as (\S+)\)\s*\[(\S+)\]\s*\[(\S+)\]' \
+        r'^Test(?:\s+\(\S+\))?:' + \
+        r'\s*\S*%s(\S+)\s*\(run as (\S+)\)\s*\[(\S+)\]\s*\[(\S+)\]' \
         % prefix
     pattern_log = r'^\s*Log directory:\s*(\S*)'