Tests\Core\AllTests: simplify creation of the test suite

As the refactor will add a lot of new unit test files, let's automate the creation of the test suite some more by automatically adding all Test files within the `Test\Core` directory.

Author: jrfnl

tests/Core/AllTests.php

@@ -12,15 +12,7 @@
 use PHPUnit\TextUI\TestRunner;
 use PHPUnit\Framework\TestSuite;
 
-require_once 'IsCamelCapsTest.php';
-require_once 'ErrorSuppressionTest.php';
-require_once 'File/FindEndOfStatementTest.php';
-require_once 'File/FindExtendedClassNameTest.php';
-require_once 'File/FindImplementedInterfaceNamesTest.php';
-require_once 'File/GetMemberPropertiesTest.php';
-require_once 'File/GetMethodParametersTest.php';
-require_once 'File/GetMethodPropertiesTest.php';
-require_once 'File/IsReferenceTest.php';
+require_once dirname(dirname(__DIR__)).'/scripts/ValidatePEAR/FileList.php';
 
 class AllTests
 {
@@ -46,15 +38,23 @@ public static function main()
     public static function suite()
     {
         $suite = new TestSuite('PHP CodeSniffer Core');
-        $suite->addTestSuite('PHP_CodeSniffer\Tests\Core\IsCamelCapsTest');
-        $suite->addTestSuite('PHP_CodeSniffer\Tests\Core\ErrorSuppressionTest');
-        $suite->addTestSuite('PHP_CodeSniffer\Tests\Core\File\FindEndOfStatementTest');
-        $suite->addTestSuite('PHP_CodeSniffer\Tests\Core\File\FindExtendedClassNameTest');
-        $suite->addTestSuite('PHP_CodeSniffer\Tests\Core\File\FindImplementedInterfaceNamesTest');
-        $suite->addTestSuite('PHP_CodeSniffer\Tests\Core\File\GetMemberPropertiesTest');
-        $suite->addTestSuite('PHP_CodeSniffer\Tests\Core\File\GetMethodParametersTest');
-        $suite->addTestSuite('PHP_CodeSniffer\Tests\Core\File\GetMethodPropertiesTest');
-        $suite->addTestSuite('PHP_CodeSniffer\Tests\Core\File\IsReferenceTest');
+
+        $testFileIterator = (new \FileList(__DIR__, '', '`Test\.php$`Di'))->getList();
+        foreach ($testFileIterator as $file) {
+            if (strpos($file, 'AbstractMethodUnitTest.php') !== false) {
+                continue;
+            }
+
+            include_once $file;
+
+            $class = str_replace(__DIR__, '', $file);
+            $class = str_replace('.php', '', $class);
+            $class = str_replace('/', '\\', $class);
+            $class = 'PHP_CodeSniffer\Tests\Core'.$class;
+
+            $suite->addTestSuite($class);
+        }
+
         return $suite;
 
     }//end suite()