question: private List < Ignite > runGrid ( ) { List < Ignite > clientIgnites = new ArrayList < > ( clientNodes ) ; try { loadTestConfiguration ( ) ; for ( int i = 0 ; i < srvNodes ; i ++ ) startNode ( "server" , SERVER_NODE_CONFIGURATION ) ; for ( int i = 0 ; i < clientNodes ; i ++ ) clientIgnites . add ( startNode ( "client" , CLIENT_NODE_CONFIGURATION ) ) ; } catch ( Exception e ) { throw new RuntimeException ( e ) ; } return clientIgnites ; }
target:  Run all grid nodes as defined in test configuration.