I've received also a lot of warnings like these and phpcs is in another directory and not part of the theme:
WARNING: fclose was found in the file wpcs/vendor/squizlabs/php_codesniffer/CodeSniffer/Reports/Gitblame.php File operations should use the WP_Filesystem methods instead of direct PHP filesystem calls.
Line 95: fclose($handle);
WARNING: fclose was found in the file wpcs/vendor/squizlabs/php_codesniffer/CodeSniffer/Reporting.php File operations should use the WP_Filesystem methods instead of direct PHP filesystem calls.
Line 245: fclose($this->_tmpFiles[$report]);
WARNING: fclose was found in the file wpcs/vendor/squizlabs/php_codesniffer/CodeSniffer/Fixer.php File operations should use the WP_Filesystem methods instead of direct PHP filesystem calls.
Line 274: fclose($fixedFile);
REQUIRED: The <title> tags can only contain a call to wp_title(). Use the wp_title filter to modify the output
I'm not adding anything extra to
<title>
tags so, this requirement shouldn't be displayed.phpcs
is in another directory and not part of the theme: