[TESTS] Added variants for posix/linux, posix/darwin and posix/darwin… #50

Job	Run time
Build Goil compiler	46s
Build Cortex-M Arduino Due examples (blink)	36s
Build Cortex-M Arduino M0 examples (blink)	1m 9s
Build AVR Arduino Uno examples (blink)	46s
Build AVR Arduino Mega 2560 examples (blink)	18s
Build AVR Arduino Uno examples (customCounterExample)	24s
Build Cortex-M SmartFusion2 examples (blink)	29s
Build AVR Arduino Mega 2560 examples (extInterrupt)	29s
Build AVR Arduino Uno examples (extInterrupt)	31s
Build Cortex-M Nucleo-F303 examples (blink)	45s
Build AVR Arduino Mega 2560 examples (serial)	27s
Build AVR Arduino Uno examples (serial)	16s
Build AVR Arduino Uno examples (trace)	22s
Build Cortex-M Nucleo-F303 examples (serial)	1m 3s
Build Cortex-M Nucleo-F432 examples (blink)	50s
Build Cortex-M STM32F4DISCOVERY examples (blink)	37s
Build Cortex-M Nucleo-F432 examples (readbutton)	1m 2s
Build Cortex-M Xplained Pro examples (blink)	32s
Build Cortex-M STM32F4DISCOVERY examples (readbutton)	29s
Build Cortex-M Xplained Pro examples (readbutton)	38s
Build Cortex-M Nucleo-F432 examples (serial)	37s
Build POSIX examples (can_demo)	9s
Build Cortex-M STM32F4DISCOVERY examples (testDisableEnable)	37s
Build Cortex-M Xplained Pro examples (readbutton_isr)	42s
Build POSIX examples (events)	7s
Build POSIX examples (ioc)	4s
Build POSIX examples (isr)	12s
Build Raspberry Pi examples (blink)	27s
Build POSIX examples (messages)	8s
Build POSIX examples (one_task)	5s
Build POSIX examples (periodic)	4s
Build POSIX examples (trace_test)	9s
	15m 50s

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