diff --git a/tests/phpunit/tests/import/import.php b/tests/phpunit/tests/import/import.php
index fa0bcbbda8..93034441fb 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->markTestSkipped( 'WordPress Importer plugin is not installed.' );
+			$this->fail( 'WordPress Importer plugin is not installed.' );
 		}
 
 		require_once DIR_TESTDATA . '/plugins/wordpress-importer/wordpress-importer.php';
diff --git a/tests/phpunit/tests/post/attachments.php b/tests/phpunit/tests/post/attachments.php
index 3df4ce4348..306192ce96 100644
--- a/tests/phpunit/tests/post/attachments.php
+++ b/tests/phpunit/tests/post/attachments.php
@@ -57,7 +57,7 @@ class Tests_Post_Attachments extends WP_UnitTestCase {
 
 	function test_insert_image_thumb_only() {
 		if ( !function_exists( 'imagejpeg' ) )
-			$this->markTestSkipped( 'jpeg support unavailable' );
+			$this->fail( 'jpeg support unavailable' );
 
 		update_option( 'medium_size_w', 0 );
 		update_option( 'medium_size_h', 0 );
@@ -109,7 +109,7 @@ class Tests_Post_Attachments extends WP_UnitTestCase {
 
 	function test_insert_image_medium_sizes() {
 		if ( !function_exists( 'imagejpeg' ) )
-			$this->markTestSkipped( 'jpeg support unavailable' );
+			$this->fail( 'jpeg support unavailable' );
 
 		update_option('medium_size_w', 400);
 		update_option('medium_size_h', 0);
@@ -167,7 +167,7 @@ class Tests_Post_Attachments extends WP_UnitTestCase {
 
 	function test_insert_image_delete() {
 		if ( !function_exists( 'imagejpeg' ) )
-			$this->markTestSkipped( 'jpeg support unavailable' );
+			$this->fail( 'jpeg support unavailable' );
 
 		update_option('medium_size_w', 400);
 		update_option('medium_size_h', 0);