diff --git a/system/CLI/CLI.php b/system/CLI/CLI.php
index b7c9ed64e2de..bafaeb167f12 100644
--- a/system/CLI/CLI.php
+++ b/system/CLI/CLI.php
@@ -1129,7 +1129,35 @@ protected static function fwrite($handle, string $string)
     /**
      * Testing purpose only
      *
-     * @testTag
+     * @internal
+     */
+    public static function reset(): void
+    {
+        static::$initialized = false;
+        static::$segments    = [];
+        static::$options     = [];
+        static::$lastWrite   = 'write';
+        static::$height      = null;
+        static::$width       = null;
+        static::$isColored   = static::hasColorSupport(STDOUT);
+
+        static::resetInputOutput();
+    }
+
+    /**
+     * Testing purpose only
+     *
+     * @internal
+     */
+    public static function resetLastWrite(): void
+    {
+        static::$lastWrite = null;
+    }
+
+    /**
+     * Testing purpose only
+     *
+     * @internal
      */
     public static function setInputOutput(InputOutput $io): void
     {
@@ -1139,7 +1167,7 @@ public static function setInputOutput(InputOutput $io): void
     /**
      * Testing purpose only
      *
-     * @testTag
+     * @internal
      */
     public static function resetInputOutput(): void
     {
diff --git a/tests/system/CLI/CLITest.php b/tests/system/CLI/CLITest.php
index 146d1066766e..6c6ce4569c4c 100644
--- a/tests/system/CLI/CLITest.php
+++ b/tests/system/CLI/CLITest.php
@@ -36,6 +36,15 @@ protected function setUp(): void
         parent::setUp();
 
         Services::injectMock('superglobals', new Superglobals());
+
+        CLI::init();
+    }
+
+    protected function tearDown(): void
+    {
+        CLI::reset();
+
+        parent::tearDown();
     }
 
     public function testNew(): void
@@ -286,10 +295,6 @@ public function testStreamSupports(): void
 
     public function testColor(): void
     {
-        // After the tests on NO_COLOR and TERM_PROGRAM above,
-        // the $isColored variable is rigged. So we reset this.
-        CLI::init();
-
         $this->assertSame(
             "\033[1;37m\033[42m\033[4mtest\033[0m",
             CLI::color('test', 'white', 'green', 'underline'),
@@ -330,6 +335,8 @@ public function testPrintBackground(): void
 
     public function testWrite(): void
     {
+        CLI::resetLastWrite();
+
         CLI::write('test');
 
         $expected = PHP_EOL . 'test' . PHP_EOL;
diff --git a/tests/system/CLI/ConsoleTest.php b/tests/system/CLI/ConsoleTest.php
index 8110698c4212..ff4ac02ab29b 100644
--- a/tests/system/CLI/ConsoleTest.php
+++ b/tests/system/CLI/ConsoleTest.php
@@ -37,6 +37,7 @@ protected function setUp(): void
         parent::setUp();
 
         Services::injectMock('superglobals', new Superglobals());
+        CLI::init();
 
         $env = new DotEnv(ROOTPATH);
         $env->load();
@@ -50,6 +51,13 @@ protected function setUp(): void
         $this->app->initialize();
     }
 
+    protected function tearDown(): void
+    {
+        CLI::reset();
+
+        parent::tearDown();
+    }
+
     public function testHeader(): void
     {
         $console = new Console();