test sign: fix syntax error #136

Job	Run time
master-tss-build-test (gcc)	17m 51s
build-test (ubuntu-18.04, gcc)	5m 52s
coverage-test	5m 43s
master-tss-build-test (clang)	5m 10s
coverity-test	0s
build-test (ubuntu-18.04, clang)	5m 6s
build-test (ubuntu-20.04, gcc)	5m 48s
build-test (ubuntu-20.04, clang)	4m 51s
build-test (fedora-30, gcc)	5m 51s
build-test (fedora-30, clang)	5m 19s
build-test (opensuse-leap, gcc)	6m 7s
build-test (opensuse-leap, clang)	5m 13s
build-test (fedora-32, gcc)	5m 50s
build-test (fedora-32, clang)	5m 7s
build-test (ubuntu-22.04, gcc)	11m 29s
build-test (ubuntu-22.04, clang)	10m 54s
	1h 46m 11s

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