Systimer test : compilation error with MBED_TICKLESS
Systimer test : compilation error with MBED_TICKLESS

Issue occurs when "MBED_TICKLESS" is added in mbed_app.json,
not when "MBED_TICKLESS" is added in targets.json

kjbracey-arm/mbed,betzw/mbed-os,kjbracey-arm/mbed,andcor02/mbed-os,andcor02/mbed-os,mbedmicro/mbed,kjbracey-arm/mbed,mbedmicro/mbed,betzw/mbed-os,c1728p9/mbed-os,mbedmicro/mbed,betzw/mbed-os,andcor02/mbed-os,mbedmicro/mbed,kjbracey-arm/mbed,c1728p9/mbed-os,andcor02/mbed-os,c1728p9/mbed-os,andcor02/mbed-os,betzw/mbed-os,c1728p9/mbed-os,c1728p9/mbed-os,c1728p9/mbed-os,betzw/mbed-os,andcor02/mbed-os,betzw/mbed-os,mbedmicro/mbed