Add pytest to Pipfile

Makefile

@@ -1,14 +1,12 @@
 gen-model: fetch-v2-schema
 	datamodel-codegen \
 	--input v2.json \
-	--input-file-type jsonschema \
 	--collapse-root-models \
-	--output-model-type pydantic_v2.BaseModel \
 	--output neon_client/schema.py \
 	--use-standard-collections \
-	--output-model-type pydantic_v2.BaseModel \
-	--input-file-type openapi \
-	# --use-standard-collections \
+	--output-model-type dataclasses.dataclass \
+	# --input-file-type openapi \
+	--use-standard-collections \
 	--use-union-operator \
 	--target-python-version 3.11 \
 	--use-schema-description \
@@ -18,17 +16,26 @@ gen-model: fetch-v2-schema
   	--allow-population-by-field-name \
   	--use-title-as-name \
 	--reuse-model \
-	--field-constraints \
+	--collapse-root-models \
+	# --field-constraints \
 	--disable-appending-item-suffix \
 	--allow-extra-fields \
 	--capitalise-enum-members \
+	--allow-extra-fields \
+	--use-field-description \
+	--use-default \
+	--use-enum-values \
+	--reuse-model \
 	--use-unique-items-as-set \
 	--set-default-enum-member \
 	--enum-field-as-literal one \
+	--allow-extra-fields \
 	--openapi-scopes {schemas,paths,tags,parameters} \
 	--use-operation-id-as-name \
+	--strict-nullable \
+	--keep-model-order \
+	--field-constraints \
 
-	# --field-constraints \
 	# --use-annotated \