Backport b771002 from PHPUnit 10.1 to PHPUnit 9.6

Author: sebastianbergmann

src/Framework/TestResult.php

@@ -804,6 +804,7 @@ function_exists('xdebug_start_function_monitor');
         }
 
         if ($this->beStrictAboutTestsThatDoNotTestAnything &&
+            !$test->doesNotPerformAssertions() &&
             $test->getNumAssertions() === 0) {
             $risky = true;
         }