cmd/go: change computeTestInputsID to use str.HasFilePathPrefix

[qiulaidongfeng]

For #26726

[gopherbot]

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[gopherbot]

Message from Gopher Robot:

Patch Set 1:

(1 comment)

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[gopherbot]

Message from qiulaidongfeng:

Patch Set 1: Commit-Queue+1

(1 comment)

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[gopherbot]

Message from Go LUCI:

Patch Set 1:

Dry run: CV is trying the patch.

Bot data: {"action":"start","triggered_at":"2024-02-13T09:21:28Z","revision":"100f051f6ba76e08f621d094b784597a680b047e"}

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Message from Daniel Martí:

Patch Set 1:

(1 comment)

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[gopherbot]

Message from qiulaidongfeng:

Patch Set 1: -Commit-Queue

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Message from Go LUCI:

Patch Set 1:

This CL has passed the run

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Message from Go LUCI:

Patch Set 1: LUCI-TryBot-Result+1

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Message from Bryan Mills:

Patch Set 1:

(3 comments)

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