Tests/Tokenizer: move UseParenthesisOwnerTest

Applies the same changes as previously made via PRs #314 and #492 in the 3.x branch, to this test file in the 4.x branch.

Author: jrfnl

tests/Core/Tokenizer/UseParenthesisOwnerTest.inc renamed to tests/Core/Tokenizer/Tokenizer/UseParenthesisOwnerTest.inc

@@ -7,11 +7,11 @@
  * @license   https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
  */
 
-namespace PHP_CodeSniffer\Tests\Core\Tokenizer;
+namespace PHP_CodeSniffer\Tests\Core\Tokenizer\Tokenizer;
 
-use PHP_CodeSniffer\Tests\Core\AbstractMethodUnitTest;
+use PHP_CodeSniffer\Tests\Core\Tokenizer\AbstractTokenizerTestCase;
 
-final class UseParenthesisOwnerTest extends AbstractMethodUnitTest
+final class UseParenthesisOwnerTest extends AbstractTokenizerTestCase
 {