tests/thread_msg_seq: migrate to testrunner script

tests/thread_msg_seq/Makefile

 APPLICATION = thread_msg_seq
 include ../Makefile.tests_common
 
-BOARD_INSUFFICIENT_MEMORY := nucleo32-f031 nucleo32-f042 stm32f0discovery
+BOARD_INSUFFICIENT_MEMORY := nucleo32-f031 nucleo32-f042
 
 DISABLE_MODULE += auto_init
 
 include $(RIOTBASE)/Makefile.include
+
+test:
+	tests/01-run.py

tests/thread_msg_seq/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")
+    child.expect("THREADS CREATED")
+    child.expect("THREAD nr1 \(pid:3\) start")
+    child.expect("THREAD nr1 \(pid:3\) end.")
+    child.expect("THREAD nr2 \(pid:4\) start")
+    child.expect("THREAD nr3 \(pid:5\) start")
+    child.expect("Got msg from pid 3: \"nr1\"")
+    child.expect("THREAD nr2 \(pid:4\) end.")
+    child.expect("Got msg from pid 4: \"nr2\"")
+    child.expect("THREAD nr3 \(pid:5\) end.")
+    child.expect("Got msg from pid 5: \"nr3\"")
+    child.expect("SUCCESS")
+
+
+if __name__ == "__main__":
+    sys.exit(testrunner.run(testfunc))