   for i, v := range b0 {   if expectedBody0[i] != v {    t.Errorf("expected %v at index %v but got %v", i, expectedBody0[i], v)   }  }   for i, v := range b0 {   if expectedBody0[i] != v {    t.Errorf("expected %v at index %v but got %v", i, expectedBody0[i], v)   }  } 