tests(phpstan): Fix autoloading of constants and useless if() clause

coder_sniffer/Drupal/Sniffs/WhiteSpace/ScopeIndentSniff.php

@@ -189,11 +189,6 @@ class ScopeIndentSniff implements Sniff
         $checkAnnotations = $phpcsFile->config->annotations;
 
         for ($i = ($stackPtr + 1); $i < $phpcsFile->numTokens; $i++) {
-            if ($i === false) {
-                // Something has gone very wrong; maybe a parse error.
-                break;
-            }
-
             if ($checkAnnotations === true
                 && $tokens[$i]['code'] === T_PHPCS_SET
                 && isset($tokens[$i]['sniffCode']) === true

coder_sniffer/Drupal/Test/phpunit-bootstrap.php

@@ -3,3 +3,5 @@
 require 'vendor/autoload.php';
 require 'CoderSniffUnitTest.php';
 require 'vendor/squizlabs/php_codesniffer/autoload.php';
+// PHPStan does not find the constants in this file, so load it manually.
+require_once 'vendor/squizlabs/php_codesniffer/src/Util/Tokens.php';