diff --git a/core/modules/image/lib/Drupal/image/Tests/ImageDimensionsTest.php b/core/modules/image/lib/Drupal/image/Tests/ImageDimensionsTest.php
index 4a8de37..f609590 100644
--- a/core/modules/image/lib/Drupal/image/Tests/ImageDimensionsTest.php
+++ b/core/modules/image/lib/Drupal/image/Tests/ImageDimensionsTest.php
@@ -71,7 +71,7 @@ public function testImageDimensions() {
     );
 
     $style->saveImageEffect($effect);
-    $this->assertEqual($this->getImageTag($variables), '<img class="image-style-test" src="' . $url . '" width="120" height="60" alt="" />' . "\n");
+    $this->assertEqual($this->getImageTag($variables), '<img class="image-style-test" src="' . $url . '" width="120" height="60" alt="" />');
     $this->assertFalse(file_exists($generated_uri), 'Generated file does not exist.');
     $this->drupalGet($url);
     $this->assertResponse(200, 'Image was generated at the URL.');
@@ -91,7 +91,7 @@ public function testImageDimensions() {
     );
 
     $style->saveImageEffect($effect);
-    $this->assertEqual($this->getImageTag($variables), '<img class="image-style-test" src="' . $url . '" width="60" height="120" alt="" />' . "\n");
+    $this->assertEqual($this->getImageTag($variables), '<img class="image-style-test" src="' . $url . '" width="60" height="120" alt="" />');
     $this->assertFalse(file_exists($generated_uri), 'Generated file does not exist.');
     $this->drupalGet($url);
     $this->assertResponse(200, 'Image was generated at the URL.');
@@ -112,7 +112,7 @@ public function testImageDimensions() {
     );
 
     $style->saveImageEffect($effect);
-    $this->assertEqual($this->getImageTag($variables), '<img class="image-style-test" src="' . $url . '" width="45" height="90" alt="" />' . "\n");
+    $this->assertEqual($this->getImageTag($variables), '<img class="image-style-test" src="' . $url . '" width="45" height="90" alt="" />');
     $this->assertFalse(file_exists($generated_uri), 'Generated file does not exist.');
     $this->drupalGet($url);
     $this->assertResponse(200, 'Image was generated at the URL.');
@@ -133,7 +133,7 @@ public function testImageDimensions() {
     );
 
     $style->saveImageEffect($effect);
-    $this->assertEqual($this->getImageTag($variables), '<img class="image-style-test" src="' . $url . '" width="45" height="90" alt="" />' . "\n");
+    $this->assertEqual($this->getImageTag($variables), '<img class="image-style-test" src="' . $url . '" width="45" height="90" alt="" />');
     $this->assertFalse(file_exists($generated_uri), 'Generated file does not exist.');
     $this->drupalGet($url);
     $this->assertResponse(200, 'Image was generated at the URL.');
@@ -150,7 +150,7 @@ public function testImageDimensions() {
     );
 
     $style->saveImageEffect($effect);
-    $this->assertEqual($this->getImageTag($variables), '<img class="image-style-test" src="' . $url . '" width="45" height="90" alt="" />' . "\n");
+    $this->assertEqual($this->getImageTag($variables), '<img class="image-style-test" src="' . $url . '" width="45" height="90" alt="" />');
     $this->assertFalse(file_exists($generated_uri), 'Generated file does not exist.');
     $this->drupalGet($url);
     $this->assertResponse(200, 'Image was generated at the URL.');
@@ -170,7 +170,7 @@ public function testImageDimensions() {
     );
 
     $style->saveImageEffect($effect);
-    $this->assertEqual($this->getImageTag($variables), '<img class="image-style-test" src="' . $url . '" alt="" />' . "\n");
+    $this->assertEqual($this->getImageTag($variables), '<img class="image-style-test" src="' . $url . '" alt="" />');
     $this->assertFalse(file_exists($generated_uri), 'Generated file does not exist.');
     $this->drupalGet($url);
     $this->assertResponse(200, 'Image was generated at the URL.');
@@ -189,7 +189,7 @@ public function testImageDimensions() {
     );
 
     $style->saveImageEffect($effect);
-    $this->assertEqual($this->getImageTag($variables), '<img class="image-style-test" src="' . $url . '" width="30" height="30" alt="" />' . "\n");
+    $this->assertEqual($this->getImageTag($variables), '<img class="image-style-test" src="' . $url . '" width="30" height="30" alt="" />');
     $this->assertFalse(file_exists($generated_uri), 'Generated file does not exist.');
     $this->drupalGet($url);
     $this->assertResponse(200, 'Image was generated at the URL.');
@@ -209,7 +209,7 @@ public function testImageDimensions() {
     );
 
     $effect_id = $style->saveImageEffect($effect);
-    $this->assertEqual($this->getImageTag($variables), '<img class="image-style-test" src="' . $url . '" alt="" />' . "\n");
+    $this->assertEqual($this->getImageTag($variables), '<img class="image-style-test" src="' . $url . '" alt="" />');
     $this->assertFalse(file_exists($generated_uri), 'Generated file does not exist.');
     $this->drupalGet($url);
     $this->assertResponse(200, 'Image was generated at the URL.');
@@ -227,7 +227,7 @@ public function testImageDimensions() {
     );
 
     $style->saveImageEffect($effect);
-    $this->assertEqual($this->getImageTag($variables), '<img class="image-style-test" src="' . $url . '" alt="" />' . "\n");
+    $this->assertEqual($this->getImageTag($variables), '<img class="image-style-test" src="' . $url . '" alt="" />');
   }
 
   /**
diff --git a/core/modules/image/lib/Drupal/image/Tests/ImageFieldDisplayTest.php b/core/modules/image/lib/Drupal/image/Tests/ImageFieldDisplayTest.php
index 8438bc2..5f4efe0 100644
--- a/core/modules/image/lib/Drupal/image/Tests/ImageFieldDisplayTest.php
+++ b/core/modules/image/lib/Drupal/image/Tests/ImageFieldDisplayTest.php
@@ -65,7 +65,7 @@ function _testImageFieldFormatters($scheme) {
       '#width' => 40,
       '#height' => 20,
     );
-    $default_output = drupal_render($image);
+    $default_output = str_replace("\n", NULL, drupal_render($image));
     $this->assertRaw($default_output, 'Default formatter displaying correctly on full node view.');
 
     // Test the image linked to file formatter.
@@ -84,6 +84,7 @@ function _testImageFieldFormatters($scheme) {
       '#height' => 20,
     );
     $default_output = l($image, file_create_url($image_uri), array('html' => TRUE));
+    $default_output = str_replace("\n", NULL, $default_output);
     $this->drupalGet('node/' . $nid);
     $this->assertRaw($default_output, 'Image linked to file formatter displaying correctly on full node view.');
     // Verify that the image can be downloaded.
@@ -212,7 +213,7 @@ function testImageFieldSettings() {
       $field_name . '[0][title]' => $image['#title'],
     );
     $this->drupalPostForm('node/' . $nid . '/edit', $edit, t('Save and keep published'));
-    $default_output = drupal_render($image);
+    $default_output = str_replace("\n", NULL, drupal_render($image));
     $this->assertRaw($default_output, 'Image displayed using user supplied alt and title attributes.');
 
     // Verify that alt/title longer than allowed results in a validation error.
@@ -286,7 +287,7 @@ function testImageFieldDefaultImage() {
       '#width' => 40,
       '#height' => 20,
     );
-    $default_output = drupal_render($image);
+    $default_output = str_replace("\n", NULL, drupal_render($image));
     $this->drupalGet('node/' . $node->id());
     $this->assertRaw($default_output, 'Default image displayed when no user supplied image is present.');
 
@@ -300,7 +301,7 @@ function testImageFieldDefaultImage() {
       '#width' => 40,
       '#height' => 20,
     );
-    $image_output = drupal_render($image);
+    $image_output = str_replace("\n", NULL, drupal_render($image));
     $this->drupalGet('node/' . $nid);
     $this->assertNoRaw($default_output, 'Default image is not displayed when user supplied image is present.');
     $this->assertRaw($image_output, 'User supplied image is displayed.');
@@ -345,7 +346,7 @@ function testImageFieldDefaultImage() {
       '#width' => 40,
       '#height' => 20,
     );
-    $default_output = drupal_render($image);
+    $default_output = str_replace("\n", NULL, drupal_render($image));
     $this->drupalGet('node/' . $node->id());
     $this->assertRaw($default_output, 'Default private image displayed when no user supplied image is present.');
   }
diff --git a/core/modules/responsive_image/lib/Drupal/responsive_image/Tests/ResponsiveImageFieldDisplayTest.php b/core/modules/responsive_image/lib/Drupal/responsive_image/Tests/ResponsiveImageFieldDisplayTest.php
index c643774..74b24d4 100644
--- a/core/modules/responsive_image/lib/Drupal/responsive_image/Tests/ResponsiveImageFieldDisplayTest.php
+++ b/core/modules/responsive_image/lib/Drupal/responsive_image/Tests/ResponsiveImageFieldDisplayTest.php
@@ -129,7 +129,7 @@ public function _testResponsiveImageFieldFormatters($scheme) {
       '#width' => 40,
       '#height' => 20,
     );
-    $default_output = drupal_render($image);
+    $default_output = str_replace("\n", NULL, drupal_render($image));
     $this->assertRaw($default_output, 'Default formatter displaying correctly on full node view.');
 
     // Use the responsive image formatter linked to file formatter.
@@ -149,6 +149,7 @@ public function _testResponsiveImageFieldFormatters($scheme) {
       '#height' => 20,
     );
     $default_output = l($image, file_create_url($image_uri), array('html' => TRUE));
+    $default_output = str_replace("\n", NULL, $default_output);
     $this->drupalGet('node/' . $nid);
     $this->assertRaw($default_output, 'Image linked to file formatter displaying correctly on full node view.');
     // Verify that the image can be downloaded.