Fixed creating new test

web/routes/test.go

@@ -72,5 +72,10 @@ func TestPostCreate(c flamego.Context, form forms.TestForm, errs binding.Errors)
 
   _ = models.DB.Create(&test)
 
+  for _, v := range form.Benchmarks {
+    fmt.Printf("%s", v)
+    test.Association("Benchmarks").Append(models.Benchmark{ID: v})
+  }
+
   c.Redirect(fmt.Sprintf("/test/%d", test.ID))
 }