Issue #1969406 by rootatwc, Berdir: Fixed PHPUnit Test asserting logging broken.

core/modules/simpletest/simpletest.module

@@ -776,7 +776,7 @@ function simpletest_phpunit_xml_to_rows($test_id, $phpunit_xml_file) {
           'message' => $message,
           'message_group' => 'Other', // TODO: Check on the proper values for this.
           'function' => $attributes->class . '->' . $attributes->name . '()',
-          'line' => (string)$attributes->line,
+          'line' => (int) $attributes->line,
           'file' => (string) $attributes->file,
         );
       }