tests/pthread_rwlock: migrate to testrunner script

tests/pthread_rwlock/Makefile

@@ -14,3 +14,6 @@ BOARD_INSUFFICIENT_MEMORY += airfy-beacon chronos mbed_lpc1768 msb-430 msb-430h
                              spark-core stm32f0discovery yunjia-nrf51822
 
 include $(RIOTBASE)/Makefile.include
+
+test:
+	tests/01-run.py

tests/pthread_rwlock/tests/01-run.py

+#!/usr/bin/env python3
+
+import os
+import sys
+
+sys.path.append(os.path.join(os.environ['RIOTBASE'], 'dist/tools/testrunner'))
+import testrunner
+
+
+def testfunc(child):
+    child.expect('START')
+    for _ in range(8):
+        child.expect('start')
+
+    for _ in range(8):
+        child.expect('done')
+
+    child.expect('SUCCESS')
+
+
+if __name__ == "__main__":
+    sys.exit(testrunner.run(testfunc))