diff --git a/tests/test_acq.py b/tests/test_acq.py
index f6a297e..3757c9e 100644
--- a/tests/test_acq.py
+++ b/tests/test_acq.py
@@ -131,18 +131,6 @@ def test_UCB_beta():
     assert_(onp.array_equal(obj1, obj3))
 
 
-def test_KG_gp():
-    rng_keys = get_keys()
-    X = onp.random.randn(8,)
-    X_new = onp.random.randn(12,)
-    y = 10 * X**2
-    m = ExactGP(1, 'RBF')
-    m.fit(rng_keys[0], X, y, num_warmup=100, num_samples=100)
-    obj = KG(m, X_new)
-    assert_(isinstance(obj, jnp.ndarray))
-    assert_equal(obj.squeeze().shape, (len(X_new),))
-
-
 def test_EI_gp_penalty_inv_distance():
     rng_keys = get_keys()
     X = onp.random.randn(8,)
diff --git a/tests/test_utils.py b/tests/test_utils.py
index ff58537..65559f5 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -90,4 +90,4 @@ def test_random_sample_difference():
     sampled_data2 = random_sample_dict(data, num_samples, rng_key2)
 
     for key in sampled_data1:
-        assert_(jnp.array_equal(sampled_data1[key], sampled_data2[key]))
+        assert_(not jnp.array_equal(sampled_data1[key], sampled_data2[key]))