test sign: fix syntax error #1631

Job	Run time
coverage-test	5m 54s
coverity-test	0s
master-tss-build-test (gcc)	17m 50s
build-test (ubuntu-18.04, gcc)	5m 51s
master-tss-build-test (clang)	5m 0s
build-test (ubuntu-18.04, clang)	4m 59s
build-test (ubuntu-20.04, gcc)	5m 49s
build-test (ubuntu-20.04, clang)	5m 5s
build-test (fedora-30, gcc)	5m 55s
build-test (fedora-30, clang)	5m 19s
build-test (opensuse-leap, gcc)	5m 58s
build-test (opensuse-leap, clang)	5m 7s
build-test (fedora-32, gcc)	5m 55s
build-test (fedora-32, clang)	5m 4s
build-test (ubuntu-22.04, gcc)	11m 14s
build-test (ubuntu-22.04, clang)	10m 42s
	1h 45m 42s

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