diff --git a/manimlib/imports.py b/manimlib/imports.py
index 1020f8ce0a..ad1ecc7e52 100644
--- a/manimlib/imports.py
+++ b/manimlib/imports.py
@@ -65,14 +65,6 @@
 from manimlib.for_3b1b_videos.pi_creature_animations import *
 from manimlib.for_3b1b_videos.pi_creature_scene import *
 
-from manimlib.once_useful_constructs.arithmetic import *
-from manimlib.once_useful_constructs.combinatorics import *
-from manimlib.once_useful_constructs.complex_transformation_scene import *
-from manimlib.once_useful_constructs.counting import *
-from manimlib.once_useful_constructs.fractals import *
-from manimlib.once_useful_constructs.graph_theory import *
-from manimlib.once_useful_constructs.light import *
-
 from manimlib.scene.graph_scene import *
 from manimlib.scene.moving_camera_scene import *
 from manimlib.scene.reconfigurable_scene import *
diff --git a/example_scenes.py b/samples/sample_scenes.py
similarity index 100%
rename from example_scenes.py
rename to samples/sample_scenes.py
diff --git a/tests/tests_sample_scenes.py b/tests/tests_sample_scenes.py
new file mode 100644
index 0000000000..4e598822d0
--- /dev/null
+++ b/tests/tests_sample_scenes.py
@@ -0,0 +1,52 @@
+from manimlib.imports import *
+
+# This file is intended to test any new feature added. 
+# Feel free to add a test or to modify one when adding a new/changing a feature. 
+
+class Test_geometry(Scene): 
+    def construct(self):
+        circle = Circle()
+        square = Square()
+        square.flip(RIGHT)
+        square.rotate(-3 * TAU / 8)
+        circle.set_fill(PINK, opacity=0.5)
+        self.play(ShowCreation(square))
+        self.play(Transform(square, circle))
+        self.play(FadeOut(square))
+
+        text = Text("Testing !")
+        self.play(DrawBorderThenFill(text))
+
+        decimal = DecimalNumber(
+            0,
+            show_ellipsis=True,
+            num_decimal_places=3,
+            include_sign=True,
+        )
+        square = Square().to_edge(UP)
+
+        decimal.add_updater(lambda d: d.next_to(square, RIGHT))
+        decimal.add_updater(lambda d: d.set_value(square.get_center()[1]))
+        self.add(square, decimal)
+        self.play(
+            square.to_edge, DOWN,
+            rate_func=there_and_back,
+            run_time=1,
+        )
+        self.wait()
+
+class Test_plotting(GraphScene):
+    CONFIG = {
+        "x_min" : -10,
+        "x_max" : 10.3,
+        "y_min" : -1.5,
+        "y_max" : 1.5,
+        "graph_origin" : ORIGIN ,
+        "function_color" : RED ,
+        "axes_color" : GREEN,
+        "x_labeled_nums" :range(-10,12,2),
+    }  
+    def construct(self): 
+        self.setup_axes(animate=False)
+        func_graph = self.get_graph(lambda x : x**2, self.function_color)
+        self.play(ShowCreation(func_graph))