diff --git a/tests/phpunit/includes/testcase.php b/tests/phpunit/includes/testcase.php
index dc888740f6..81f9686050 100644
--- a/tests/phpunit/includes/testcase.php
+++ b/tests/phpunit/includes/testcase.php
@@ -333,7 +333,7 @@ class WP_UnitTestCase extends PHPUnit_Framework_TestCase {
 		}
 		$parts = parse_url($url);
 		if (isset($parts['scheme'])) {
-			$req = $parts['path'];
+			$req = isset( $parts['path'] ) ? $parts['path'] : '';
 			if (isset($parts['query'])) {
 				$req .= '?' . $parts['query'];
 				// parse the url query vars into $_GET
diff --git a/tests/phpunit/tests/includes/helpers.php b/tests/phpunit/tests/includes/helpers.php
index 025b9384f6..b717fdcb1a 100755
--- a/tests/phpunit/tests/includes/helpers.php
+++ b/tests/phpunit/tests/includes/helpers.php
@@ -185,6 +185,16 @@ class Tests_TestHelpers extends WP_UnitTestCase {
 		$this->mock_incorrect_usage();
 	}
 
+	/**
+	 * @ticket 31417
+	 */
+	public function test_go_to_should_go_to_home_page_when_passing_the_untrailingslashed_home_url() {
+		$this->assertFalse( is_home() );
+		$home = untrailingslashit( get_option( 'home' ) );
+		$this->go_to( $home );
+		$this->assertTrue( is_home() );
+	}
+
 	protected function mock_deprecated() {
 		_deprecated_function( __METHOD__, '2.5' );
 	}