tests/pthread_cooperation: migrate to testrunner script

tests/pthread_cooperation/Makefile

@@ -10,3 +10,6 @@ USEMODULE += posix
 USEMODULE += pthread
 
 include $(RIOTBASE)/Makefile.include
+
+test:
+	tests/01-run.py

tests/pthread_cooperation/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 i in range(12):
+        child.expect('Creating thread with arg {}'.format(i + 1))
+
+    for i in range(12):
+        child.expect('join thread {}'.format(i + 1))
+
+    child.expect('SUCCESS')
+
+
+if __name__ == "__main__":
+    sys.exit(testrunner.run(testfunc))