Refactor mobile to use OpenApi generated SDK (#336)

mobile/openapi/test/server_version_reponse_dto_test.dart

@@ -0,0 +1,42 @@
+//
+// AUTO-GENERATED FILE, DO NOT MODIFY!
+//
+// @dart=2.12
+
+// ignore_for_file: unused_element, unused_import
+// ignore_for_file: always_put_required_named_parameters_first
+// ignore_for_file: constant_identifier_names
+// ignore_for_file: lines_longer_than_80_chars
+
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for ServerVersionReponseDto
+void main() {
+  // final instance = ServerVersionReponseDto();
+
+  group('test ServerVersionReponseDto', () {
+    // num major
+    test('to test the property `major`', () async {
+      // TODO
+    });
+
+    // num minor
+    test('to test the property `minor`', () async {
+      // TODO
+    });
+
+    // num patch_
+    test('to test the property `patch_`', () async {
+      // TODO
+    });
+
+    // num build
+    test('to test the property `build`', () async {
+      // TODO
+    });
+
+
+  });
+
+}