Fix test

Author: Girgias

ext/standard/tests/general_functions/is_countable_with_variables.phpt

@@ -16,13 +16,16 @@ if (is_countable($foo)) {
 
 $bar = null;
 if (!is_countable($bar)) {
-    count($bar);
+    try {
+        count($bar);
+    } catch (\TypeError $e) {
+        echo $e->getMessage() . \PHP_EOL;
+    }
 }
 ?>
---EXPECTF--
+--EXPECT--
 bool(true)
 bool(true)
 bool(false)
 int(2)
-
-Warning: count(): Argument #1 ($var) must be of type Countable|array, null given in %s on line %d
+count(): Argument #1 ($var) must be of type Countable|array, null given