diff --git a/tests/phpunit/tests/l10n.php b/tests/phpunit/tests/l10n.php
index f6ada8ac2b..2d23c2fd6f 100644
--- a/tests/phpunit/tests/l10n.php
+++ b/tests/phpunit/tests/l10n.php
@@ -9,9 +9,17 @@ class Tests_L10n extends WP_UnitTestCase {
 	function test_load_unload_textdomain() {
 		$this->assertFalse( is_textdomain_loaded( 'wp-tests-domain' ) );
 		$this->assertFalse( unload_textdomain( 'wp-tests-domain' ) );
-		$this->assertTrue( load_textdomain( 'wp-tests-domain', DIR_TESTDATA . '/wpcom-themes/p2/languages/es_ES.mo' ) );
-		$this->assertTrue( is_textdomain_loaded( 'wp-tests-domain' ) );
-		$this->assertTrue( unload_textdomain( 'wp-tests-domain' ) );
+
+		$file = DIR_TESTDATA . '/wpcom-themes/p2/languages/es_ES.mo';
+		if ( file_exists( $file ) ) {
+			$this->assertTrue( load_textdomain( 'wp-tests-domain', $file ) );
+			$this->assertTrue( is_textdomain_loaded( 'wp-tests-domain' ) );
+			$this->assertTrue( unload_textdomain( 'wp-tests-domain' ) );
+		} else {
+			$this->assertFalse( load_textdomain( 'wp-tests-domain', $file ) );
+			$this->assertFalse( is_textdomain_loaded( 'wp-tests-domain' ) );
+			$this->assertFalse( unload_textdomain( 'wp-tests-domain' ) );
+		}
 		$this->assertFalse( is_textdomain_loaded( 'wp-tests-domain' ) );
 	}