Fixed missing brace and eliminated unnecessary enum #195

Job	Run time
tests (ubuntu-latest, tests)	35s
build (ubuntu-latest, noradio)	2m 43s
tests (macos-latest, tests)	1m 19s
build (ubuntu-latest, wifi)	2m 55s
tests (windows-latest, tests_nosan)	2m 6s
build (ubuntu-latest, bt)	2m 52s
build (macos-latest, noradio)	4m 0s
build (macos-latest, wifi)	4m 10s
build (macos-latest, bt)	4m 8s
build (windows-latest, noradio)	9m 10s
build (windows-latest, wifi)	4m 58s
build (windows-latest, bt)	7m 24s
	46m 20s

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