test: use common setup in gui tests

Author: MarcoFalke

src/qt/test/apptests.cpp

@@ -5,6 +5,7 @@
 #include <qt/test/apptests.h>
 
 #include <chainparams.h>
+#include <key.h>
 #include <qt/bitcoin.h>
 #include <qt/bitcoingui.h>
 #include <qt/networkstyle.h>
@@ -62,6 +63,7 @@ void AppTests::appTests()
     }
 #endif
 
+    ECC_Stop(); // Already started by the common test setup, so stop it to avoid interference
     m_app.parameterSetup();
     m_app.createOptionsModel(true /* reset settings */);
     QScopedPointer<const NetworkStyle> style(

src/qt/test/test_main.cpp

@@ -11,9 +11,9 @@
 #include <qt/bitcoin.h>
 #include <qt/test/apptests.h>
 #include <qt/test/rpcnestedtests.h>
-#include <util/system.h>
 #include <qt/test/uritests.h>
 #include <qt/test/compattests.h>
+#include <test/setup_common.h>
 
 #ifdef ENABLE_WALLET
 #include <qt/test/addressbooktests.h>
@@ -48,14 +48,8 @@ extern void noui_connect();
 // This is all you need to run all the tests
 int main(int argc, char *argv[])
 {
-    SetupEnvironment();
-    SetupNetworking();
-    SelectParams(CBaseChainParams::REGTEST);
-    noui_connect();
-    ClearDatadirCache();
-    fs::path pathTemp = fs::temp_directory_path() / strprintf("test_bitcoin-qt_%lu_%i", (unsigned long)GetTime(), (int)GetRand(100000));
-    fs::create_directories(pathTemp);
-    gArgs.ForceSetArg("-datadir", pathTemp.string());
+    BasicTestingSetup test{CBaseChainParams::REGTEST};
+
     auto node = interfaces::MakeNode();
 
     bool fInvalid = false;
@@ -109,7 +103,5 @@ int main(int argc, char *argv[])
     }
 #endif
 
-    fs::remove_all(pathTemp);
-
     return fInvalid;
 }