Clarify unit test early termination #79

Job	Run time
filter-relevant-changes	20s
ubuntu-jammy-deps-image	7m 50s
ubuntu-focal-deps-image	9m 52s
centos-stream-9-deps-image	7m 30s
centos-stream-9-dynamic-linked-bins	16m 43s
centos-stream-9-static-linked-bins	16m 54s
ubuntu-jammy-dynamic-linked-bins	15m 36s
ubuntu-jammy-static-linked-bins	16m 19s
ubuntu-focal-dynamic-linked-bins	16m 21s
ubuntu-focal-static-linked-bins	17m 4s
ubuntu-focal-binaries-image	0s
	2h 4m 29s

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