Rework the sbrk-mini test to work with appstart.
Rework the sbrk-mini test to work with appstart.
sg-/mbed-drivers,iriark01/mbed-drivers,0xc0170/mbed-drivers,iriark01/mbed-drivers,0xc0170/mbed-drivers,bremoran/mbed-drivers,sg-/mbed-drivers,bremoran/mbed-drivers