No longer obligatory parameter.

tests/e2e_tests/test_beremiz.py

@@ -36,8 +36,7 @@ class BeremizTest(e2e.EndToEndTestCase):
     print("Request beremiz-runtime and OSIE coupler instances.")
     # supply / request coupler
     instance_name = time.strftime('e2e-test-coupler-%Y-%B-%d-%H:%M:%S')
-    parameter_dict = {"mode":1,
-                      "network_interface": "192.168.0.0"}
+    parameter_dict = {"mode":1}
     cls.request(cls.coupler_release,
                 instance_name,
                 partition_parameter_kw=parameter_dict)