Fixed tests

Author: erikaheidi

tests/Feature/Command/DemoCommandTest.php

@@ -0,0 +1,16 @@
+<?php
+
+test('default command "demo" is correctly loaded', function () {
+    $app = getApp();
+    $app->runCommand(['minicli', 'demo']);
+})->expectOutputRegex("/help/");
+
+test('the "demo test" command echoes command parameters', function () {
+    $app = getApp();
+    $app->runCommand(['minicli', 'demo', 'test', 'user=erika']);
+})->expectOutputRegex("/erika/");
+
+test('the "demo table" command prints test table', function () {
+    $app = getApp();
+    $app->runCommand(['minicli', 'demo', 'table']);
+})->expectOutputRegex("/Header 3/");