ci: moved test stage before the build stage

.gitlab-ci.yml

@@ -1,7 +1,7 @@
 ---
 stages:
- - build
  - test
+ - build
 
 .mbusd_job_template: &mbusd_job_template # Hidden key that defines an anchor
   image: debian:stable

tests/run_itests.py

@@ -34,6 +34,8 @@ class TestModbusRequests(unittest.TestCase):
         cls.log.debug("3. run mbusd to be tested with the binary:%s" % MBUSD_BINARY)
         cls.mbusd_main = Popen([MBUSD_BINARY, "-d", "-L", "-v9", "-p/tmp/pts0", "-s19200", "-P" + str(MBUSD_PORT)])
         # wait a little bit for mbusd to come up
+        # alternatively do a poll for the socket
+        #    https://stackoverflow.com/questions/667640/how-to-tell-if-a-connection-is-dead-in-python/667702#667702
         sleep(5)
 
         cls.log.debug("4. connect the modbus TCP client to mbusd")