address comments about only finding routeable processes #274

Job	Run time
C++ tests on Linux	42s
Nginx tests on Linux	2m 21s
Nginx tests on macOS	3m 15s
Apache2 tests on Linux	2m 22s
Apache2 tests on macOS	3m 41s
C++ tests on macOS	1m 8s
Homebrew packaging tests	9m 5s
Nginx dynamic module tests on Linux	1m 11s
Nginx dynamic module tests on macOS	1m 16s
Node.js tests on Linux	26s
Node.js tests on macOS	27s
Source packaging tests	29s
Ruby tests on Linux	1m 7s
Passenger Standalone tests on Linux	3m 21s
Ruby tests on macOS	1m 44s
Passenger Standalone tests on macOS	3m 50s
	36m 25s

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