Update mesh clone test (#6597)

rust/kcl-lib/tests/import_mesh_clone/input.kcl

@@ -1,13 +1,18 @@
-import "../inputs/cube.obj" as cube
+@(lengthUnit = m)
+import "../inputs/cube.obj" as yellow
 
-model = cube
+yellow
+  |> translate(%, x = -2000, y = -2000)
+appearance(yellow, color = "#ffff00")
 
-model2 = clone(model)
-    |> translate(
-        x = 1020,
-    )
-    |> appearance(
-        color = "#ff0000",
-        metalness = 50,
-        roughness = 50
-    )
+red = clone(yellow)
+  |> translate(%, x = 4000)
+appearance(red, color = "#ff0000")
+
+green = clone(yellow)
+  |> translate(%, y = 4000)
+appearance(green, color = "#00ff00")
+
+blue = clone(red)
+  |> translate(%, y = 4000)
+appearance(blue, color = "#0000ff")