test(global): add runAll.py to run all specified test suites

unittest/runAll.py

+#!/usr/bin/env python3
+
+import os
+import subprocess
+import sys
+
+if __name__ == '__main__':
+	names = sys.argv[1:]
+	if len(names) == 0:
+		names = sorted(os.listdir('.'))
+	for name in names:
+		if os.path.isdir(name) and os.path.exists(os.path.join(name, 'runAll.py')):
+			print ('Running test suite {}:'.format(name))
+			subprocess.call(
+				[os.path.abspath(os.path.join(name, 'runAll.py'))],
+				stdin = sys.stdin,
+				stdout = sys.stdout,
+				stderr = sys.stderr,
+				cwd = name
+			)
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