diff --git a/.github/workflows/test_notebooks_entirerepo.yml b/.github/workflows/test_notebooks_entirerepo.yml
index 88379656b..a7beb4fb8 100644
--- a/.github/workflows/test_notebooks_entirerepo.yml
+++ b/.github/workflows/test_notebooks_entirerepo.yml
@@ -57,6 +57,11 @@ jobs:
         with:
           image: ${{ matrix.image }}
 
+      - name: Log GitHub Actions Runner IP
+        run: |
+          echo "GitHub Actions runner public IP:"
+          curl https://ifconfig.me
+
       - name: Run tests against each DEA Notebooks section
         run: |
           sudo chown -R 1000:100 ./dea-notebooks
diff --git a/.github/workflows/test_notebooks_pullrequest.yml b/.github/workflows/test_notebooks_pullrequest.yml
index 65fbe3e15..f36d124fa 100644
--- a/.github/workflows/test_notebooks_pullrequest.yml
+++ b/.github/workflows/test_notebooks_pullrequest.yml
@@ -24,6 +24,11 @@ jobs:
         with:
           path: dea-notebooks
 
+      - name: Log GitHub Actions Runner IP
+        run: |
+          echo "GitHub Actions runner public IP:"
+          curl https://ifconfig.me
+
       # Detects changed Jupyter Notebooks, excluding interactive notebooks
       - name: Get changed notebook files
         id: changed-notebooks
@@ -38,7 +43,7 @@ jobs:
             How_to_guides/Land_cover_pixel_drill.ipynb
             How_to_guides/Imagery_on_web_map.ipynb
             How_to_guides/External_data_ERA5_Climate.ipynb
-            How_to_guides/Generating_COG_mosaics.ipynb
+            # How_to_guides/Generating_COG_mosaics.ipynb
       - name: Print changed notebook files
         if: steps.changed-notebooks.outputs.any_changed == 'true'
         run: |
diff --git a/How_to_guides/Generating_COG_mosaics.ipynb b/How_to_guides/Generating_COG_mosaics.ipynb
index dbf3b3b2f..666093256 100644
--- a/How_to_guides/Generating_COG_mosaics.ipynb
+++ b/How_to_guides/Generating_COG_mosaics.ipynb
@@ -88,6 +88,18 @@
     "from dea_tools.mosaics.vrt import make_styling_vrt"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "789ab882",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import os\n",
+    "os.environ[\"GDAL_DISABLE_READDIR_ON_OPEN\"] = \"EMPTY_DIR\"\n",
+    "os.environ[\"CPL_VSIL_CURL_ALLOWED_EXTENSIONS\"] = \".tif\""
+   ]
+  },
   {
    "cell_type": "markdown",
    "id": "91333f91-0acc-45b1-9c97-e664227fac74",
diff --git a/Tests/dea_tools/test_mosaics.py b/Tests/dea_tools/test_mosaics.py
index b66ac4db7..7bf8161ba 100644
--- a/Tests/dea_tools/test_mosaics.py
+++ b/Tests/dea_tools/test_mosaics.py
@@ -26,7 +26,7 @@ def test_mosaic_vrt_creation_cat(tmp_path):
         "aws_unsigned": True,
         "skip_existing": False,
         "list_tiles": ["x46y47", "x46y48"],
-        "vsi_method": "vsis3",
+        # "vsi_method": "vsis3",
     }
 
     vrt_params = {