Revert "Run-test: Refactor stdout/stderr capture"

This reverts commit b34672426f067db0b9fa48f9d6f276d8f7c31219.

Reason for revert: This sometimes hides stdout/stderr.

Change-Id: Id6d8785b5d231dd4c6d6bfa385b8447688f95e5a
1 file changed