diff --git a/tests/phpunit/tests/functions/current_datetime.php b/tests/phpunit/tests/functions/current_datetime.php
new file mode 100644
index 0000000000000..79dc7066e1bdb
--- /dev/null
+++ b/tests/phpunit/tests/functions/current_datetime.php
@@ -0,0 +1,19 @@
+<?php
+
+/**
+ * @group functions.php
+ *
+ * @covers ::current_datetime
+ */
+class Tests_Functions_current_datetime extends WP_UnitTestCase {
+
+	/**
+	 * test the current_datetime function return correct class type
+	 * @return void
+	 *
+	 */
+	public function test_current_datetime_return_type() {
+
+		$this->assertInstanceOf( 'DateTimeImmutable', current_datetime() );
+	}
+}