Added documentation about unit test execution
Added documentation about unit test execution
bridadan/mbed-ls,mtmtech/mbed-ls,mazimkhan/mbed-ls,bridadan/mbed-ls,mazimkhan/mbed-ls,jjones646/mbed-ls,0xc0170/mbed-ls,jupe/mbed-ls,jupe/mbed-ls,mtmtech/mbed-ls,jjones646/mbed-ls