[tests] fix compile+linking issues with PlayTime (#3345)

fixes linking + comp issues but not the test themselves, who have now became invalid

Signed-off-by: lizzie <lizzie@eden-emu.dev>

Co-authored-by: DraVee <caiooliveirafarias0@gmail.com>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3345
Reviewed-by: DraVee <dravee@eden-emu.dev>
Reviewed-by: Maufeat <sahyno1996@gmail.com>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>

src/tests/CMakeLists.txt

@@ -14,6 +14,7 @@ add_executable(tests
     common/range_map.cpp
     common/ring_buffer.cpp
     common/scratch_buffer.cpp
+    common/undefined_fix.cpp
     common/unique_function.cpp
     core/core_timing.cpp
     core/internal_network/network.cpp