tools: fix skip detection of test runner output

Fix the Python test harness so that it no longer treats the `# skipped`
part of the summary at the end of the built-in test runner output as
marking the test as skipped.

Author: richardlau

tools/test.py

@@ -83,7 +83,7 @@ def get_module(name, path):
 
 
 logger = logging.getLogger('testrunner')
-skip_regex = re.compile(r'# SKIP\S*\s+(.*)', re.IGNORECASE)
+skip_regex = re.compile(r'(?:ok|not ok).*# SKIP\S*\s+(.*)', re.IGNORECASE)
 
 VERBOSE = False