test(aliby): initialising dummy tiler

WHY IS THIS CHANGE NEEDED?:
- test dummy tiler, see if it crashes

REFERENCES:
- issue #53

tests/aliby/network/test_tiler.py

@@ -19,6 +19,12 @@ def define_parser():
     return parser
 
 
+def initialise_dummy():
+    tiler_parameters = TilerParameters.default().to_dict()
+    dummy_tiler = Tiler.dummy(tiler_parameters)
+    return dummy_tiler
+
+
 def initialise_objects(data_path, template=None):
     image = ImageLocalOME(data_path)
     tiler = Tiler.from_image(image, TilerParameters.default())
@@ -53,6 +59,8 @@ if __name__ == "__main__":
     parser = define_parser()
     args = parser.parse_args()
 
+    dummy_tiler = initialise_dummy()
+
     tiler = initialise_objects(args.root_dir, template=args.template)
 
     if args.position is not None: