mockgcp: improve ComputeServiceAttachment fidelity / testing

[justinsb]

• tests: create project on fly
• tests: add golden output for computeserviceattachment
• mockgcp: improve ComputeServiceAttachment fidelity

[google-oss-prow]

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[yuwenma]

I have a vague memory that the project-id annotation has to use some specific variable value otherwise the postsubmit dynamic test will fail... 😞

[yuwenma]

I have a vague memory that the project-id annotation has to use some specific variable value otherwise the postsubmit dynamic test will fail... 😞

Here it is

k8s-config-connector/pkg/test/gcp/gcp.go

Line 58 in abd5042

TestDependentOrgProjectID = EnvVar{Key: "TEST_DEPENDENT_ORG_PROJECT_ID"}

[justinsb]

I have a vague memory that the project-id annotation has to use some specific variable value otherwise the postsubmit dynamic test will fail... 😞

Well let's try it and fix that if need be :-)