diff --git a/tests/test_validations.ipynb b/tests/test_validations.ipynb
index 816555bf5d2bea2d1f6de42f364b8b31c8f2ca5b..7a9b9f39dff345bd7c9f666307b8c21f0566ec4a 100644
--- a/tests/test_validations.ipynb
+++ b/tests/test_validations.ipynb
@@ -45,7 +45,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -61,7 +61,7 @@
     "        var:{\n",
     "            key : zarr_dset[var].encoding[key]\n",
     "            for key in zarr_dset[var].encoding.keys()\n",
-    "            if key not in ['chunks', 'preferred_chunks', 'compressor', 'filters']\n",
+    "            if key not in ['chunks', 'preferred_chunks', 'compressor', 'filters', 'coordinates']\n",
     "        }\n",
     "        for var in list(zarr_dset.variables.keys())\n",
     "    }\n",
@@ -75,21 +75,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "ename": "NameError",
-     "evalue": "name 'pytest' is not defined",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
-      "\u001b[0;31mNameError\u001b[0m                                 Traceback (most recent call last)",
-      "\u001b[0;32m/tmp/ipykernel_38006/2583284823.py\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0;34m@\u001b[0m\u001b[0mpytest\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mmark\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mparametrize\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"container,zarr_test_output\"\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mconfig\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m      2\u001b[0m \u001b[0;32mclass\u001b[0m \u001b[0mTestTzisValidate\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      3\u001b[0m     def test_validate_tzis_open(self,\n\u001b[1;32m      4\u001b[0m                                 \u001b[0mcontainer\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      5\u001b[0m                                 \u001b[0mzarr_test_output\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;31mNameError\u001b[0m: name 'pytest' is not defined"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "@pytest.mark.parametrize(\"container,zarr_test_output\", config)\n",
     "class TestTzisValidate:\n",