Try uploading in-development versions of v3 as testing packages

.conan/build.py

@@ -85,7 +85,7 @@ if __name__ == "__main__":
         reference=settings.reference,
         channel=settings.channel,
         upload=settings.upload,
-        upload_only_when_stable=settings.upload_only_when_stable,
+        upload_only_when_stable=False,
         stable_branch_pattern=settings.stable_branch_pattern,
         login_username=settings.login_username,
         username=settings.username,

.conan/test_package/CMakeLists.txt

@@ -7,5 +7,5 @@ conan_basic_setup(TARGETS)
 find_package(Catch2 REQUIRED CONFIG)
 
 add_executable(${PROJECT_NAME} test_package.cpp)
-target_link_libraries(${PROJECT_NAME} CONAN_PKG::Catch2)
+target_link_libraries(${PROJECT_NAME} CONAN_PKG::Catch2Main)
 set_target_properties(${PROJECT_NAME} PROPERTIES CXX_STANDARD 14)

.conan/test_package/test_package.cpp

@@ -1,6 +1,4 @@
-#define CATCH_CONFIG_MAIN
-
-#include <catch2/catch.hpp>
+#include <catch2/catch_test_macros.hpp>
 
 int Factorial( int number ) {
     return number <= 1 ? 1 : Factorial( number - 1 ) * number;