Update typings on mock

Author: jwulf

src/lib/MockStdOut.ts

@@ -1,11 +1,12 @@
-export class MockStdOut {
-	public messages: string[] = []
+import { ZBCustomLogger, ZBLogMessage } from './interfaces'
+export class MockStdOut implements ZBCustomLogger {
+	public messages: ZBLogMessage[] = []
 
-	public info(message: string) {
+	public info(message: ZBLogMessage) {
 		this.messages.push(message)
 	}
 
-	public error(message: string) {
+	public error(message: ZBLogMessage) {
 		this.messages.push(message)
 	}
 }