default or selected kernelversion does not have config value CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST.
Result is shown for kernelversion 6.5.1

CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST (not configurable)

configname: CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST

Linux Kernel Configuration
└─>HAVE_FUNCTION_TRACE_MCOUNT_TEST
In linux kernel since version 2.6.29 (release Date: 2009-03-23)  
See