Update vector space utility functions for all spaces (#223)

tests/experimental/vector/utils/utils.py

@@ -0,0 +1,7 @@
+"""Utility functions for testing the vector utility functions."""
+import numpy as np
+
+
+def is_rng_equal(rng_1: np.random.Generator, rng_2: np.random.Generator):
+    """Asserts that two random number generates are equivalent."""
+    return rng_1.bit_generator.state == rng_2.bit_generator.state