Add init() to QGSTEST_MAIN

Now that it's not called from ctor anymore

Author: elpaso

src/test/qgstest.h

@@ -26,6 +26,7 @@
   int main(int argc, char *argv[]) \
   { \
     QgsApplication app(argc, argv, false); \
+    app.init(); \
     app.setAttribute(Qt::AA_Use96Dpi, true); \
     QTEST_DISABLE_KEYPAD_NAVIGATION \
     QTEST_ADD_GPU_BLACKLIST_SUPPORT \