[11.x] Allow using castAsJson() on non default db connection during

test

Signed-off-by: Mior Muhammad Zaki <[email protected]>

src/Illuminate/Foundation/Testing/Concerns/InteractsWithDatabase.php

@@ -231,20 +231,23 @@ protected function isSoftDeletableModel($model)
      * Cast a JSON string to a database compatible type.
      *
      * @param  array|object|string  $value
+     * @param  string|null  $collection
      * @return \Illuminate\Contracts\Database\Query\Expression
      */
-    public function castAsJson($value)
+    public function castAsJson($value, $connection = null)
     {
         if ($value instanceof Jsonable) {
             $value = $value->toJson();
         } elseif (is_array($value) || is_object($value)) {
             $value = json_encode($value);
         }
 
-        $value = DB::connection()->getPdo()->quote($value);
+        $db = DB::connection($connection);
 
-        return DB::raw(
-            DB::connection()->getQueryGrammar()->compileJsonValueCast($value)
+        $value = $db->getPdo()->quote($value);
+
+        return $db->raw(
+            $db->getQueryGrammar()->compileJsonValueCast($value)
         );
     }