testnode: spawn processes with environment defined in configuration file

Only $PATH was set

erp5/util/testnode/SlapOSControler.py

@@ -345,7 +345,7 @@ class SlapOSControler(object):
     self.log("SlapOSControler.runSoftwareRelease")
     cpu_count = os.sysconf("SC_NPROCESSORS_ONLN")
     os.putenv('MAKEFLAGS', '-j%s' % cpu_count)
-    os.environ['PATH'] = environment['PATH']
+    os.environ.update(environment)
     # a SR may fail for number of reasons (incl. network failures)
     # so be tolerant and run it a few times before giving up
     for runs in range(0, MAX_SR_RETRIES):