chore: changes after review

Author: DmitryAnansky

packages/cli/src/__tests__/commands/push-region.test.ts

@@ -22,13 +22,7 @@ jest.mock('fs', () => ({
 // Mock OpenAPI core
 jest.mock('@redocly/openapi-core', () => ({
   ...jest.requireActual('@redocly/openapi-core'),
-  getMergedConfig: jest.fn().mockReturnValue({
-    styleguide: {
-      skipDecorators: jest.fn(),
-      extendPaths: [],
-      pluginPaths: [],
-    },
-  }),
+  getMergedConfig: jest.fn().mockImplementation((config) => config),
   bundle: jest.fn().mockResolvedValue({
     bundle: { parsed: {} },
     problems: {