Add happy path test for the EDR GeoJSON feature collection.

tests/test_edr.py

@@ -5,6 +5,7 @@
 from edr_pydantic.capabilities import LandingPageModel
 from edr_pydantic.collections import Collections
 from edr_pydantic.collections import Instance
+from edr_pydantic.edr_feature_collection import EDRFeatureCollection
 from edr_pydantic.unit import Unit
 from pydantic import ValidationError
 
@@ -13,6 +14,7 @@
     ("doc-example-collections.json", Collections),
     ("simple-instance.json", Instance),
     ("landing-page.json", LandingPageModel),
+    ("edr-geojson-feature-collection.json", EDRFeatureCollection),
 ]