test sign: fix syntax error #131

Job	Run time
coverage-test	5m 53s
master-tss-build-test (gcc)	17m 58s
master-tss-build-test (clang)	4m 59s
build-test (ubuntu-18.04, gcc)	5m 50s
coverity-test	0s
build-test (ubuntu-18.04, clang)	5m 1s
build-test (ubuntu-20.04, gcc)	5m 49s
build-test (ubuntu-20.04, clang)	4m 50s
build-test (fedora-30, gcc)	5m 56s
build-test (fedora-30, clang)	5m 20s
build-test (opensuse-leap, gcc)	6m 1s
build-test (opensuse-leap, clang)	5m 17s
build-test (fedora-32, gcc)	5m 52s
build-test (fedora-32, clang)	5m 4s
build-test (ubuntu-22.04, gcc)	11m 21s
build-test (ubuntu-22.04, clang)	10m 52s
	1h 46m 3s

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