diff --git a/tests/phpunit/tests/import/import.php b/tests/phpunit/tests/import/import.php
index 93034441fb..4a867c4b01 100644
--- a/tests/phpunit/tests/import/import.php
+++ b/tests/phpunit/tests/import/import.php
@@ -18,7 +18,7 @@ class Tests_Import_Import extends WP_Import_UnitTestCase {
 		add_filter( 'import_allow_create_users', '__return_true' );
 
 		if ( ! file_exists( DIR_TESTDATA . '/plugins/wordpress-importer/wordpress-importer.php' ) ) {
-			$this->fail( 'WordPress Importer plugin is not installed.' );
+			$this->fail( 'This test requires the WordPress Importer plugin to be installed. See: https://make.wordpress.org/core/handbook/contribute/git/#unit-tests' );
 		}
 
 		require_once DIR_TESTDATA . '/plugins/wordpress-importer/wordpress-importer.php';
diff --git a/tests/phpunit/tests/import/parser.php b/tests/phpunit/tests/import/parser.php
index 890fd0ac22..d2ca78d2a1 100644
--- a/tests/phpunit/tests/import/parser.php
+++ b/tests/phpunit/tests/import/parser.php
@@ -16,7 +16,7 @@ class Tests_Import_Parser extends WP_Import_UnitTestCase {
 			define( 'WP_LOAD_IMPORTERS', true );
 
 		if ( ! file_exists( DIR_TESTDATA . '/plugins/wordpress-importer/wordpress-importer.php' ) ) {
-			$this->fail( 'WordPress Importer plugin is not installed.' );
+			$this->fail( 'This test requires the WordPress Importer plugin to be installed. See: https://make.wordpress.org/core/handbook/contribute/git/#unit-tests' );
 		}
 
 		require_once DIR_TESTDATA . '/plugins/wordpress-importer/wordpress-importer.php';
diff --git a/tests/phpunit/tests/import/postmeta.php b/tests/phpunit/tests/import/postmeta.php
index bf468a1d3e..4ad9f11544 100644
--- a/tests/phpunit/tests/import/postmeta.php
+++ b/tests/phpunit/tests/import/postmeta.php
@@ -16,7 +16,7 @@ class Tests_Import_Postmeta extends WP_Import_UnitTestCase {
 			define( 'WP_LOAD_IMPORTERS', true );
 
 		if ( ! file_exists( DIR_TESTDATA . '/plugins/wordpress-importer/wordpress-importer.php' ) ) {
-			$this->fail( 'WordPress Importer plugin is not installed.' );
+			$this->fail( 'This test requires the WordPress Importer plugin to be installed. See: https://make.wordpress.org/core/handbook/contribute/git/#unit-tests' );
 		}
 
 		require_once DIR_TESTDATA . '/plugins/wordpress-importer/wordpress-importer.php';