chore(tests): remove non working module

tests/test_serialization/test_pointers.py

@@ -1,7 +1,52 @@
 import unittest
-from tests.test_serialization.non_dessia_object_subobjects import container, line
 from dessia_common import REF_MARKER
 
+from typing import List
+from dessia_common.core import DessiaObject
+
+
+class Point:
+    def __init__(self, x: float):
+        self.x = x
+
+    def __eq__(self, other):
+        return self.x == other.x
+
+    def __hash__(self):
+        return self.x
+
+    def to_dict(self):
+        return {"x": self.x}
+
+    @classmethod
+    def dict_to_object(cls, dict_):
+        return cls(x=dict_["x"])
+
+
+class Container(DessiaObject):
+    def __init__(self, points: List[Point], name: str = ""):
+        self.points = points
+        self.name = name
+
+        super().__init__(name)
+
+
+class Line(DessiaObject):
+    def __init__(self, p1: Point, p2: Point, name: str = ""):
+        self.p1 = p1
+        self.p2 = p2
+        self.name = name
+
+        super().__init__(name)
+
+
+a = Point(0)
+b = Point(1)
+c = Point(0)
+
+container = Container([a, b, c])
+line = Line(a, c)
+
 
 class TestNonDessiaObjects(unittest.TestCase):