Fix message

Author: samsonasik

src/Assert/Filter.php

@@ -24,7 +24,7 @@ public static function boolean(callable $filter): void
             $reflection = new ReflectionMethod($filter, '__invoke');
         } else {
             throw new InvalidArgumentException(
-                sprintf('Expected Closure or invokable object, %s given', gettype($filter))
+                sprintf('Expected Closure or invokable object on callable filter, %s given', gettype($filter))
             );
         }
 

tests/FilterTest.php

@@ -26,7 +26,7 @@ public function __invoke(int $datum): bool
     public function testOnceWithStringFilter(): void
     {
         $this->expectException(InvalidArgumentException::class);
-        $this->expectExceptionMessage('Expected Closure or invokable object, string given');
+        $this->expectExceptionMessage('Expected Closure or invokable object on callable filter, string given');
 
         $data   = [1, 'f'];
         $filter = 'is_string';