diff --git a/GPy/testing/test_pickle.py b/GPy/testing/test_pickle.py
index 6783336f..fd1f8105 100644
--- a/GPy/testing/test_pickle.py
+++ b/GPy/testing/test_pickle.py
@@ -53,8 +53,8 @@ class TestPickleSupport(ListDictTestCase):
         assert par.param_array.tolist() == pcopy.param_array.tolist()
         np.testing.assert_allclose(par.gradient_full, pcopy.gradient_full)
         assert str(par) == str(pcopy)
-        assert np.all(par.param_array != pcopy.param_array)
-        assert par.gradient_full != pcopy.gradient_full
+        assert np.all(par.param_array == pcopy.param_array)
+        assert np.all(par.gradient_full == pcopy.gradient_full)
         assert pcopy.checkgrad()
         assert np.any(pcopy.gradient != 0.0)
         with tempfile.TemporaryFile("w+b") as f:
@@ -72,8 +72,8 @@ class TestPickleSupport(ListDictTestCase):
         np.testing.assert_allclose(par.param_array, pcopy.param_array)
         np.testing.assert_allclose(par.gradient_full, pcopy.gradient_full)
         assert str(par) == str(pcopy)
-        assert np.all(par.param_array != pcopy.param_array)
-        assert par.gradient_full != pcopy.gradient_full
+        assert np.all(par.param_array == pcopy.param_array)
+        assert np.all(par.gradient_full == pcopy.gradient_full)
         assert pcopy.checkgrad()
         assert np.any(pcopy.gradient != 0.0)
         np.testing.assert_allclose(pcopy.param_array, par.param_array, atol=1e-6)
@@ -97,8 +97,8 @@ class TestPickleSupport(ListDictTestCase):
         assert par.param_array.tolist() == pcopy.param_array.tolist()
         assert par.gradient_full.tolist() == pcopy.gradient_full.tolist()
         assert str(par) == str(pcopy)
-        assert np.all(par.param_array != pcopy.param_array)
-        assert par.gradient_full != pcopy.gradient_full
+        assert np.all(par.param_array == pcopy.param_array)
+        assert np.all(par.gradient_full == pcopy.gradient_full)
         with tempfile.TemporaryFile("w+b") as f:
             par.pickle(f)
             f.seek(0)
@@ -116,8 +116,8 @@ class TestPickleSupport(ListDictTestCase):
         assert par.param_array.tolist() == pcopy.param_array.tolist()
         assert par.gradient_full.tolist() == pcopy.gradient_full.tolist()
         assert str(par) == str(pcopy)
-        assert np.all(par.param_array != pcopy.param_array)
-        assert par.gradient_full != pcopy.gradient_full
+        assert np.all(par.param_array == pcopy.param_array)
+        assert np.all(par.gradient_full == pcopy.gradient_full)
         assert par.checkgrad()
         assert pcopy.checkgrad()
         assert np.any(pcopy.gradient != 0.0)