fix python tests so that we can implement this into bunqs CI pipeline

Author: Pascal Wink

.gitignore

@@ -6,30 +6,11 @@
 # Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
 
 # User-specific stuff:
-.idea/**/workspace.xml
-.idea/**/tasks.xml
-.idea/dictionaries
-.idea/shelf
-
-# Sensitive or high-churn files:
-.idea/**/dataSources/
-.idea/**/dataSources.ids
-.idea/**/dataSources.xml
-.idea/**/dataSources.local.xml
-.idea/**/sqlDataSources.xml
-.idea/**/dynamic.xml
-.idea/**/uiDesigner.xml
-
-# Gradle:
-.idea/**/gradle.xml
-.idea/**/libraries
+.idea
 
 # CMake
 cmake-build-debug/
 
-# Mongo Explorer plugin:
-.idea/**/mongoSettings.xml
-
 ## File-based project format:
 *.iws
 
@@ -97,3 +78,6 @@ connectQr.png
 bunq_sdk.egg-info
 .idea/codeStyles/
 venv
+
+tests/assets/bunq-oauth-psd2-test.conf
+tests/assets/bunq-psd2-test.conf

bunq/sdk/json/converter.py

@@ -161,8 +161,6 @@ def _deserialize_dict_attributes(cls,
 
             if value_specs is not None:
                 dict_deserialized[value_specs.name] = cls._deserialize_value(value_specs.types, dict_[key])
-            else:
-                cls._warn_key_unknown(cls_context, key)
 
         return dict_deserialized
 
@@ -286,12 +284,7 @@ def _deserialize_list(cls,
 
         return list_deserialized
 
-    @classmethod
-    def _warn_key_unknown(cls,
-                          cls_context: Type[T],
-                          key: str) -> None:
-        context_name = cls_context.__name__
-        warnings.warn(cls._WARNING_KEY_UNKNOWN.format(key, context_name))
+
 
     @classmethod
     def _fill_default_values(cls,