Move creating compute instance to the test runner

[petercieslak]

Moved creating VM instances for E2E tests to the test runner, this allows the instances to be cleared in case of test timeout.

[google-oss-prow]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[google-oss-prow]

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This pull-request has been approved by: petercieslak
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[petercieslak]

/retest