fix test

Author: staabm

.github/workflows/ci.yaml

@@ -197,7 +197,7 @@ jobs:
         run: php ./phpunit --testsuite end-to-end --order-by depends,random
 
   end-to-end-tests-with-coverage-driver:
-    name: End-to-End Tests
+    name: End-to-End Tests with Coverage Driver
 
     needs:
       - unit-tests

tests/end-to-end-with-coverage-driver/warn-when-opcache-enabled/warn-when-opcache-enabled.phpt

@@ -3,6 +3,8 @@ https://github.com/sebastianbergmann/php-code-coverage/issues/1022
 --INI--
 opcache.enable_cli=1
 opcache.jit=disable
+--ENV--
+XDEBUG_MODE=coverage
 --SKIPIF--
 <?php declare(strict_types=1);
 require __DIR__ . '/../_files/skip-if-requires-code-coverage-driver.php';