add Terminal related test

tests/ZM/Utils/TerminalTest.php

@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\ZM\Utils;
+
+use PHPUnit\Framework\TestCase;
+use Throwable;
+use ZM\Console\Console;
+use ZM\Utils\Terminal;
+
+/**
+ * @internal
+ */
+class TerminalTest extends TestCase
+{
+    public function testInit()
+    {
+        Console::setLevel(4);
+        Terminal::init();
+        $this->assertStringContainsString('Initializing Terminal', $this->getActualOutput());
+    }
+
+    /**
+     * @throws Throwable
+     */
+    public function testExecuteCommand()
+    {
+        Console::setLevel(2);
+        Terminal::executeCommand('echo zhamao-framework');
+        $this->assertStringContainsString('zhamao-framework', $this->getActualOutput());
+    }
+}