resiliencytestsuite: use the testnode slapos and not the system one

slapos/resiliencytest/suites/resiliencytestsuite.py

@@ -182,7 +182,7 @@ class ResiliencyTestSuite(object):
       slapos_configuration_file_path = os.path.abspath(slapos_configuration_file_path)
       # Output is huge and we don't want to store it in memory nor print it
       devnull = open('/dev/null', 'w')
-      command = ['/opt/slapos/bin/slapos', 'node', 'instance',
+      command = [os.path.join(os.environ['HOME'], 'software_release', 'bin', 'slapos'), 'node', 'instance',
                  '--cfg=%s' % slapos_configuration_file_path,
                  '--pidfile=slapos.pid']
       self.logger.info('Running "slapos node instance" with command : %s' % ' '.join(command))