diff --git a/tests/datasets/test_agb_live_woody_density.py b/tests/datasets/test_agb_live_woody_density.py
index 6bfc72ba04a..ae775a1cabf 100644
--- a/tests/datasets/test_agb_live_woody_density.py
+++ b/tests/datasets/test_agb_live_woody_density.py
@@ -52,9 +52,9 @@ def test_getitem(self, dataset: AbovegroundLiveWoodyBiomassDensity) -> None:
         assert isinstance(x["crs"], CRS)
         assert isinstance(x["mask"], torch.Tensor)
 
-    def test_no_dataset(self) -> None:
-        with pytest.raises(RuntimeError, match="Dataset not found in."):
-            AbovegroundLiveWoodyBiomassDensity("/test")
+    def test_no_dataset(self, tmp_path: Path) -> None:
+        with pytest.raises(RuntimeError, match="Dataset not found"):
+            AbovegroundLiveWoodyBiomassDensity(str(tmp_path))
 
     def test_already_downloaded(
         self, dataset: AbovegroundLiveWoodyBiomassDensity
diff --git a/tests/datasets/test_cms_mangrove_canopy.py b/tests/datasets/test_cms_mangrove_canopy.py
index f5ffc818d35..3c9ea05e65a 100644
--- a/tests/datasets/test_cms_mangrove_canopy.py
+++ b/tests/datasets/test_cms_mangrove_canopy.py
@@ -44,9 +44,9 @@ def test_getitem(self, dataset: CMSGlobalMangroveCanopy) -> None:
         assert isinstance(x["crs"], CRS)
         assert isinstance(x["mask"], torch.Tensor)
 
-    def test_no_dataset(self) -> None:
-        with pytest.raises(RuntimeError, match="Dataset not found in."):
-            CMSGlobalMangroveCanopy("/test")
+    def test_no_dataset(self, tmp_path: Path) -> None:
+        with pytest.raises(RuntimeError, match="Dataset not found"):
+            CMSGlobalMangroveCanopy(str(tmp_path))
 
     def test_already_downloaded(self, tmp_path: Path) -> None:
         pathname = os.path.join(