diff --git a/tests/phpunit/tests/functions/wpToKebabCase.php b/tests/phpunit/tests/functions/wpToKebabCase.php
index 24b2e2d187..df110a61fa 100644
--- a/tests/phpunit/tests/functions/wpToKebabCase.php
+++ b/tests/phpunit/tests/functions/wpToKebabCase.php
@@ -10,31 +10,55 @@
  */
 class Tests_Functions_wpToKebabCase extends WP_UnitTestCase {
 
-	public function test_wp_to_kebab_case() {
-		$this->assertSame( 'white', _wp_to_kebab_case( 'white' ) );
-		$this->assertSame( 'white-black', _wp_to_kebab_case( 'white+black' ) );
-		$this->assertSame( 'white-black', _wp_to_kebab_case( 'white:black' ) );
-		$this->assertSame( 'white-black', _wp_to_kebab_case( 'white*black' ) );
-		$this->assertSame( 'white-black', _wp_to_kebab_case( 'white.black' ) );
-		$this->assertSame( 'white-black', _wp_to_kebab_case( 'white black' ) );
-		$this->assertSame( 'white-black', _wp_to_kebab_case( 'white	black' ) );
-		$this->assertSame( 'white-to-black', _wp_to_kebab_case( 'white-to-black' ) );
-		$this->assertSame( 'white-2-white', _wp_to_kebab_case( 'white2white' ) );
-		$this->assertSame( 'white-2nd', _wp_to_kebab_case( 'white2nd' ) );
-		$this->assertSame( 'white-2-ndcolor', _wp_to_kebab_case( 'white2ndcolor' ) );
-		$this->assertSame( 'white-2nd-color', _wp_to_kebab_case( 'white2ndColor' ) );
-		$this->assertSame( 'white-2nd-color', _wp_to_kebab_case( 'white2nd_color' ) );
-		$this->assertSame( 'white-23-color', _wp_to_kebab_case( 'white23color' ) );
-		$this->assertSame( 'white-23', _wp_to_kebab_case( 'white23' ) );
-		$this->assertSame( '23-color', _wp_to_kebab_case( '23color' ) );
-		$this->assertSame( 'white-4th', _wp_to_kebab_case( 'white4th' ) );
-		$this->assertSame( 'font-2-xl', _wp_to_kebab_case( 'font2xl' ) );
-		$this->assertSame( 'white-to-white', _wp_to_kebab_case( 'whiteToWhite' ) );
-		$this->assertSame( 'white-t-owhite', _wp_to_kebab_case( 'whiteTOwhite' ) );
-		$this->assertSame( 'whit-eto-white', _wp_to_kebab_case( 'WHITEtoWHITE' ) );
-		$this->assertSame( '42', _wp_to_kebab_case( 42 ) );
-		$this->assertSame( 'ive-done', _wp_to_kebab_case( "i've done" ) );
-		$this->assertSame( 'ffffff', _wp_to_kebab_case( '#ffffff' ) );
-		$this->assertSame( 'ffffff', _wp_to_kebab_case( '$ffffff' ) );
+	/**
+	 * Test _wp_to_kebab_case().
+	 *
+	 * @dataProvider data_wp_to_kebab_case
+	 *
+	 * @ticket 53397
+	 *
+	 * @param string $test_value Test value.
+	 * @param string $expected   Expected return value.
+	 */
+	public function test_wp_to_kebab_case( $test_value, $expected ) {
+		$this->assertSame( $expected, _wp_to_kebab_case( $test_value ) );
+	}
+
+	/**
+	 * Data provider for test_wp_to_kebab_case().
+	 *
+	 * @return array[] Test parameters {
+	 *     @type string $test_value Test value.
+	 *     @type string $expected   Expected return value.
+	 * }
+	 */
+	public function data_wp_to_kebab_case() {
+		return array(
+			array( 'white', 'white' ),
+			array( 'white+black', 'white-black' ),
+			array( 'white:black', 'white-black' ),
+			array( 'white*black', 'white-black' ),
+			array( 'white.black', 'white-black' ),
+			array( 'white black', 'white-black' ),
+			array( 'white	black', 'white-black' ),
+			array( 'white-to-black', 'white-to-black' ),
+			array( 'white2white', 'white-2-white' ),
+			array( 'white2nd', 'white-2nd' ),
+			array( 'white2ndcolor', 'white-2-ndcolor' ),
+			array( 'white2ndColor', 'white-2nd-color' ),
+			array( 'white2nd_color', 'white-2nd-color' ),
+			array( 'white23color', 'white-23-color' ),
+			array( 'white23', 'white-23' ),
+			array( '23color', '23-color' ),
+			array( 'white4th', 'white-4th' ),
+			array( 'font2xl', 'font-2-xl' ),
+			array( 'whiteToWhite', 'white-to-white' ),
+			array( 'whiteTOwhite', 'white-t-owhite' ),
+			array( 'WHITEtoWHITE', 'whit-eto-white' ),
+			array( 42, '42' ),
+			array( "i've done", 'ive-done' ),
+			array( '#ffffff', 'ffffff' ),
+			array( '$ffffff', 'ffffff' ),
+		);
 	}
 }