fix(AWS S3 Node): Fix File upload, and add node tests (#6153)

packages/nodes-base/jest.config.js

@@ -2,4 +2,7 @@
 module.exports = {
 	...require('../../jest.config'),
 	collectCoverageFrom: ['credentials/**/*.ts', 'nodes/**/*.ts', 'utils/**/*.ts'],
+	moduleNameMapper: {
+		'^@test/(.*)$': '<rootDir>/test/$1',
+	},
 };