Update tests

Update and add tests, notably new ones to check that transforms are applied properly during loading.

Closes #40 (closed)

conda/meta.yaml

@@ -43,7 +43,7 @@ requirements:
   run:
     - python >=3.10
     - {{ pin_compatible('click') }}
-    - {{ pin_compatible('grad-cam') }}
+    - {{ pin_compatible('grad-cam', max_pin='x.x') }}
     - {{ pin_compatible('matplotlib') }}
     - {{ pin_compatible('numpy') }}
     - {{ pin_compatible('pillow') }}