diff --git a/core/modules/views/tests/src/Kernel/Plugin/StyleMappingTest.php b/core/modules/views/tests/src/Kernel/Plugin/StyleMappingTest.php
index 1cb4400..05f0b00 100644
--- a/core/modules/views/tests/src/Kernel/Plugin/StyleMappingTest.php
+++ b/core/modules/views/tests/src/Kernel/Plugin/StyleMappingTest.php
@@ -64,11 +64,15 @@ protected function mappedOutputHelper($view) {
         $name = strtok((string) $field_attributes['class'][0], '-');
         $field_id = strtok('-');
 
-        // The expected result is the mapping name and the field value,
-        // separated by ':'.
-        $expected_result = $name . ':' . $data_set[$count][$field_id];
-        $actual_result = (string) $field;
-        $this->assertIdentical($expected_result, $actual_result, format_string('The fields were mapped successfully: %name => %field_id', array('%name' => $name, '%field_id' => $field_id)));
+        /**
+         * The expected result is the mapping name and the field value,
+         * separated by ':'.
+         *
+         * [#2560467] Fix for unknown line returns being added in.
+         */
+        $expected_result = preg_replace(array('/\r/', '/\n/'), '', $name . ':' . $data_set[$count][$field_id]);
+        $actual_result = preg_replace(array('/\r/', '/\n/'), '', (string) $field);
+        $this->assertEqual($actual_result, $expected_result,format_string('The fields were mapped successfully: %expected_result => %actual_result', array('%expected_result' =>  $expected_result, '%actual_result' => $actual_result)));
       }
 
       $count++;