qt: test: Create at most one testing setup

src/test/setup_common.cpp

@@ -73,7 +73,6 @@ TestingSetup::TestingSetup(const std::string& chainName) : BasicTestingSetup(cha
     const CChainParams& chainparams = Params();
     // Ideally we'd move all the RPC tests to the functional testing framework
     // instead of unit tests, but for now we need these here.
-
     RegisterAllCoreRPCCommands(tableRPC);
 
     // We have to run a scheduler thread to prevent ActivateBestChain