testinteg subproject can be used for the integration testing. It assumes there is a running ICON network (either local or remote) that can be connected for the testing. It uses the ICON Java SDK (foundation.icon:icon-sdk:2.0.0) to interact with the network. The default configuration is for gochain-local network. If you want to change this configuration, either modify the configuration file directly or set the proper system property (env.props) when you run the integration testing (see example).integrationTest task to run the integration testing. Here is the example of invoking the MultisigWallet integration testing.