🏷️ add acceptance tests for 2D arrays (#275)

Author: guan404ming

test/runtime/accept/shape.py

@@ -12,3 +12,9 @@ class XYGrid(NamedTuple):
 # Test variance of _ShapeType_co
 def accepts_2d(a: np.ndarray[tuple[int, int], Any]) -> None:
     return None
+
+
+accepts_2d(np.empty(XYGrid(2, 2)))
+accepts_2d(np.zeros(XYGrid(2, 2), dtype=int))
+accepts_2d(np.ones(XYGrid(2, 2), dtype=int))
+accepts_2d(np.full(XYGrid(2, 2), fill_value=5, dtype=int))