Collections extension test broken as of stac-fastapi v2.5.5

[jonhealy1]

stac-fastapi-elasticsearch-opensearch/stac_fastapi/tests/resources/test_collection.py

Lines 110 to 124 in d2104af

	@pytest.mark.skip(reason="Broken as of stac-fastapi v2.5.5")
	@pytest.mark.asyncio
	async def test_collection_extensions(ctx, app_client):
	"""Test that extensions can be used to define additional top-level properties"""
	ctx.collection.get("stac_extensions", []).append(
	"https://stac-extensions.github.io/item-assets/v1.0.0/schema.json"
	)
	test_asset = {"title": "test", "description": "test", "type": "test"}
	ctx.collection["item_assets"] = {"test": test_asset}
	resp = await app_client.put(
	f"/collections/{ctx.collection['id']}", json=ctx.collection
	)
	assert resp.status_code == 200
	assert resp.json().get("item_assets", {}).get("test") == test_asset

[jonhealy1]

The extension adds a item_assets field to a collection. I can create a collection with the field and then GET that collection back and the field still exists but pushing the same collection through a PUT request erases the field.

[jonhealy1]

Test passes now here #234 with stac-fastapi v3.0.0a