fix: vnic tests

[appilon]

Description

Fix VNIC tests to work with new nested ESXi model. This is so I can review/add tests to #1855

Acceptance tests

• Have you added an acceptance test for the functionality being added?
• Have you run the acceptance tests on this branch?

Output from acceptance testing:

$ make testacc TESTARGS='-run=TestAccResourceVSphereVNic_'
=== RUN   TestAccResourceVSphereVNic_dvs_default
--- PASS: TestAccResourceVSphereVNic_dvs_default (196.88s)
=== RUN   TestAccResourceVSphereVNic_dvs_vmotion
--- PASS: TestAccResourceVSphereVNic_dvs_vmotion (196.36s)
=== RUN   TestAccResourceVSphereVNic_hvs_default
--- PASS: TestAccResourceVSphereVNic_hvs_default (33.19s)
=== RUN   TestAccResourceVSphereVNic_hvs_vmotion
--- PASS: TestAccResourceVSphereVNic_hvs_vmotion (32.19s)

Release Note

Release note for CHANGELOG:

r/vsphere_vnic: Fix vnic tests GH-1887

References

[tenthirtyam]

LGTM!

[github-actions]

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