diff --git a/tests/phpunit/tests/image/editor_gd.php b/tests/phpunit/tests/image/editor_gd.php
index ecb599e839..cdfc207d7a 100644
--- a/tests/phpunit/tests/image/editor_gd.php
+++ b/tests/phpunit/tests/image/editor_gd.php
@@ -468,7 +468,7 @@ class Tests_Image_Editor_GD extends WP_Image_UnitTestCase {
 	 */
 	public function test_image_preserves_alpha_on_resize() {
 		if ( ! ( imagetypes() & IMG_PNG ) ) {
-			$this->markTestSkipped( 'This test requires PHP to be compiled with PNG support.' );
+			$this->fail( 'This test requires PHP to be compiled with PNG support.' );
 		}
 
 		$file = DIR_TESTDATA . '/images/transparent.png';
@@ -495,7 +495,7 @@ class Tests_Image_Editor_GD extends WP_Image_UnitTestCase {
 	 */
 	public function test_image_preserves_alpha() {
 		if ( ! ( imagetypes() & IMG_PNG ) ) {
-			$this->markTestSkipped( 'This test requires PHP to be compiled with PNG support.' );
+			$this->fail( 'This test requires PHP to be compiled with PNG support.' );
 		}
 
 		$file = DIR_TESTDATA . '/images/transparent.png';
@@ -521,7 +521,7 @@ class Tests_Image_Editor_GD extends WP_Image_UnitTestCase {
 	 */
 	public function test_image_preserves_alpha_on_rotate() {
 		if ( ! ( imagetypes() & IMG_PNG ) ) {
-			$this->markTestSkipped( 'This test requires PHP to be compiled with PNG support.' );
+			$this->fail( 'This test requires PHP to be compiled with PNG support.' );
 		}
 
 		$file = DIR_TESTDATA . '/images/transparent.png';
diff --git a/tests/phpunit/tests/image/functions.php b/tests/phpunit/tests/image/functions.php
index 7ed2f0b1b2..27bdbf3181 100644
--- a/tests/phpunit/tests/image/functions.php
+++ b/tests/phpunit/tests/image/functions.php
@@ -289,7 +289,7 @@ class Tests_Image_Functions extends WP_UnitTestCase {
 
 	public function test_wp_crop_image_file() {
 		if ( !function_exists( 'imagejpeg' ) )
-			$this->markTestSkipped( 'jpeg support unavailable' );
+			$this->fail( 'jpeg support unavailable' );
 
 		$file = wp_crop_image( DIR_TESTDATA . '/images/canola.jpg',
 							  0, 0, 100, 100, 100, 100 );
@@ -305,7 +305,7 @@ class Tests_Image_Functions extends WP_UnitTestCase {
 
 	public function test_wp_crop_image_url() {
 		if ( !function_exists( 'imagejpeg' ) )
-			$this->markTestSkipped( 'jpeg support unavailable' );
+			$this->fail( 'jpeg support unavailable' );
 
 		if ( ! extension_loaded( 'openssl' ) ) {
 			$this->markTestSkipped( 'Tests_Image_Functions::test_wp_crop_image_url() requires openssl.' );
diff --git a/tests/phpunit/tests/image/intermediate_size.php b/tests/phpunit/tests/image/intermediate_size.php
index 09419a247e..3fcdf8cd29 100644
--- a/tests/phpunit/tests/image/intermediate_size.php
+++ b/tests/phpunit/tests/image/intermediate_size.php
@@ -30,7 +30,7 @@ class Tests_Image_Intermediate_Size extends WP_UnitTestCase {
 
 	function test_make_intermediate_size_width() {
 		if ( !function_exists( 'imagejpeg' ) )
-			$this->markTestSkipped( 'jpeg support unavailable' );
+			$this->fail( 'jpeg support unavailable' );
 
 		$image = image_make_intermediate_size( DIR_TESTDATA . '/images/a2-small.jpg', 100, 0, false );
 
@@ -39,7 +39,7 @@ class Tests_Image_Intermediate_Size extends WP_UnitTestCase {
 
 	function test_make_intermediate_size_height() {
 		if ( !function_exists( 'imagejpeg' ) )
-			$this->markTestSkipped( 'jpeg support unavailable' );
+			$this->fail( 'jpeg support unavailable' );
 
 		$image = image_make_intermediate_size( DIR_TESTDATA . '/images/a2-small.jpg', 0, 75, false );
 
@@ -48,7 +48,7 @@ class Tests_Image_Intermediate_Size extends WP_UnitTestCase {
 
 	function test_make_intermediate_size_successful() {
 		if ( !function_exists( 'imagejpeg' ) )
-			$this->markTestSkipped( 'jpeg support unavailable' );
+			$this->fail( 'jpeg support unavailable' );
 
 		$image = image_make_intermediate_size( DIR_TESTDATA . '/images/a2-small.jpg', 100, 75, true );
 
diff --git a/tests/phpunit/tests/image/resize.php b/tests/phpunit/tests/image/resize.php
index 807b51ce1f..a775eb5f58 100644
--- a/tests/phpunit/tests/image/resize.php
+++ b/tests/phpunit/tests/image/resize.php
@@ -42,8 +42,7 @@ abstract class WP_Tests_Image_Resize_UnitTestCase extends WP_Image_UnitTestCase
 		$image = $this->resize_helper( DIR_TESTDATA.'/images/test-image.png', 25, 25 );
 
 		if ( ! is_string( $image ) ) {  // WP_Error, stop GLib-GObject-CRITICAL assertion
-			$this->markTestSkipped( sprintf( 'No PNG support in the editor engine %s on this system', $this->editor_engine ) );
-			return;
+			$this->fail( sprintf( 'No PNG support in the editor engine %s on this system', $this->editor_engine ) );
 		}
 
 		$this->assertEquals( 'test-image-25x25.png', basename( $image ) );
@@ -59,8 +58,7 @@ abstract class WP_Tests_Image_Resize_UnitTestCase extends WP_Image_UnitTestCase
 		$image = $this->resize_helper( DIR_TESTDATA.'/images/test-image.gif', 25, 25 );
 
 		if ( ! is_string( $image ) ) {  // WP_Error, stop GLib-GObject-CRITICAL assertion
-			$this->markTestSkipped( sprintf( 'No GIF support in the editor engine %s on this system', $this->editor_engine ) );
-			return;
+			$this->fail( sprintf( 'No GIF support in the editor engine %s on this system', $this->editor_engine ) );
 		}
 
 		$this->assertEquals( 'test-image-25x25.gif', basename( $image ) );
diff --git a/tests/phpunit/tests/import/parser.php b/tests/phpunit/tests/import/parser.php
index 3e2ee20ee2..890fd0ac22 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->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/import/postmeta.php b/tests/phpunit/tests/import/postmeta.php
index 0fd8daedf2..bf468a1d3e 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->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';