Force PUT request headers to JSON in API test

Aparentely FastAPI no longer assumes JSON by default.

lib/galaxy_test/api/test_datasets.py

@@ -128,7 +128,10 @@ def test_tag_change(self):
             'item_class': 'HistoryDatasetAssociation',
             'item_tags': ['cool:tag_a', 'cool:tag_b', 'tag_c', 'name:tag_d', '#tag_e'],
         })
-        put_response = self._put("tags", payload)
+
+        # TODO remove the headers here and add json parameter to _put method
+        put_response = self._put("tags", data=payload, headers={'Content-Type': 'application/json'})
+
         self._assert_status_code_is_ok(put_response)
         updated_hda = self._get(
             f"histories/{self.history_id}/contents/{hda_id}").json()

test/integration/test_tool_data_delete.py

@@ -61,7 +61,10 @@ def test_admin_delete_data_table_entry(self):
         self.assertEquals(len(updated_fields), original_count + 1)
         new_field = updated_fields[-1]
         url = self._api_url(f"tool_data/testbeta?key={self.galaxy_interactor.api_key}")
-        delete_response = delete(url, data=json.dumps({"values": "\t".join(new_field)}))
+
+        # TODO remove the headers here, use the interactor _delete method and add json parameter to it
+        delete_response = delete(url, data=json.dumps({"values": "\t".join(new_field)}), headers={'Content-Type': 'application/json'})
+
         delete_response.raise_for_status()
         time.sleep(2)
         show_response = self._get("tool_data/testbeta")