test(servicestage): adjust the script of update phase and do not update name

[Lance52259]

What this PR does / why we need it:
The name cannot be updated and we don't know why update method doesn't worked.
So skip the name test and check the other parameters update logic to instead.

Which issue this PR fixes:
(optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged)
fixes #xxx

Special notes for your reviewer:

Release note:

1. adjust the script of update phase and do not update name.

PR Checklist

• Tests added/passed.

./scripts/coverage.sh -o servicestage -f TestAccComponent_basic
Prepare to calculate the coverage the following command:
TF_ACC=1 go test "./huaweicloud/services/acceptance/servicestage" -v -coverprofile="./huaweicloud/services/acceptance/servicestage/servicestage_coverage.cov" -coverpkg="./huaweicloud/services/servicestage" -run TestAccComponent_basic -timeout 360m -parallel 10
=== RUN   TestAccComponent_basic
=== PAUSE TestAccComponent_basic
=== CONT  TestAccComponent_basic
--- PASS: TestAccComponent_basic (17.05s)
PASS
coverage: 7.9% of statements in ./huaweicloud/services/servicestage
ok      github.com/huaweicloud/terraform-provider-huaweicloud/huaweicloud/services/acceptance/servicestage      17.103s coverage: 7.9% of statements in ./huaweicloud/services/servicestage

• Documentation updated.

• Schema updated.

• CheckDeleted.

  • a. During query operation (Read Context)
    aa. Resource not found
    >>>>>> Paste the screenshot here <<<<<<

  • b. During delete/disassociate/unbind operation (Delete Context)
    ba. Resource not found
    >>>>>> Paste the screenshot here <<<<<<

[github-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This PR has been approved by: @Lance52259

[deer-hang]

/lgtm