You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: doc.go
    path of file: ./repos/cosmos-sdk/testutil/network
    
    the code of the file until where you have to start completion: /*
Package network implements and exposes a fully operational in-process CometBFT
test network that con
    
	func (s *IntegrationTestSuite) TestQueryBalancesRequestHandlerFn() {
		val := s.network.Validators[0]
		baseURL := val.APIAddress

		// Use baseURL to make API HTTP requests or use val.RPCClient to make direct
		// CometBFT RPC calls.
		// ...
	}