Updated for new PHPCS API

Author: gsherwood

tests/Core/ErrorSuppressionTest.php

@@ -132,7 +132,7 @@ public function testSuppressFile()
 
         // Process without suppression.
         $content = '<?php '.PHP_EOL.'//TODO: write some code';
-        $file    = $phpcs->processFile('noSuppressionTest.php', $content);
+        $file    = $phpcs->processFile('suppressionTest.php', $content);
 
         $warnings    = $file->getWarnings();
         $numWarnings = $file->getWarningCount();
@@ -141,7 +141,7 @@ public function testSuppressFile()
 
         // Process with suppression.
         $content = '<?php '.PHP_EOL.'// @codingStandardsIgnoreFile'.PHP_EOL.'//TODO: write some code';
-        $file    = $phpcs->processFile('noSuppressionTest.php', $content);
+        $file    = $phpcs->processFile('suppressionTest.php', $content);
 
         $warnings    = $file->getWarnings();
         $numWarnings = $file->getWarningCount();
@@ -150,10 +150,7 @@ public function testSuppressFile()
 
         // Process with a Doc Block suppression.
         $content = '<?php '.PHP_EOL.'/* @codingStandardsIgnoreFile */'.PHP_EOL.'//TODO: write some code';
-        $phpcs->processFile('suppressionTest.php', $content);
-
-        $files = $phpcs->getFiles();
-        $file  = $files[1];
+        $file    = $phpcs->processFile('suppressionTest.php', $content);
 
         $warnings    = $file->getWarnings();
         $numWarnings = $file->getWarningCount();