message: refactor(aio): use types intead of interfaces for functions
diff: @@ -17,11 +17,12 @@ const TEST_AIO_UPLOAD_MAX_SIZE = +getEnvVar('TEST_AIO_UPLOAD_MAX_SIZE');
  const TEST_AIO_UPLOAD_PORT = +getEnvVar('TEST_AIO_UPLOAD_PORT');
  // Interfaces - Types
  -export interface CleanUpFn extends Function {}
  export interface CmdResult { success: boolean; err: Error; stdout: string; stderr: string; }
  export interface FileSpecs { content?: string; size?: number; }
  -export interface TestSuiteFactory { (scheme: string, port: number): void }
  -export interface VerifyCmdResultFn { (result: CmdResult): void; }
  +
  +export type CleanUpFn = () => void;
  +export type TestSuiteFactory = (scheme: string, port: number) => void;
  +export type VerifyCmdResultFn = (result: CmdResult) => void;
  // Classes
  class Helper {
  