phan: Improve phpunit stub munging #78914

Job	Run time
Determine tests matrix	1m 4s
E2E: Build jetpack-boost	3m 25s
E2E: Build jetpack-core	4m 5s
E2E: Build jetpack-search	3m 31s
E2E: Build jetpack-social	3m 13s
E2E: Build jetpack-sync	3m 41s
E2E: Build jetpack-videopress	2m 54s
Jetpack connection e2e tests	5m 16s
Jetpack pre-connection e2e tests	2m 36s
Jetpack post-connection e2e tests	4m 46s
Jetpack sync e2e tests	3m 31s
Jetpack Boost - Base e2e tests	4m 57s
Jetpack Boost - Modules e2e tests	4m 27s
Jetpack Boost - Critical CSS e2e tests	3m 24s
Jetpack Boost - Page Cache e2e tests	6m 31s
Jetpack Boost - Concatenate JS/CSS e2e tests	2m 46s
Jetpack Boost - Image CDN e2e tests	2m 57s
Jetpack Boost - Image Guide e2e tests	2m 44s
Search e2e tests	4m 15s
VideoPress e2e tests	3m 4s
Social e2e tests	2m 57s
Test report	3s
Slack notification	1m 9s
	1h 17m 16s

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