test(thin): migrate transform_config_test.go to Ginkgo/Gomega

[hxrshxz]

Ⅰ. Describe what this PR does

Migrates pkg/ddc/thin/transform_config_test.go from standard Go testing to the Ginkgo/Gomega framework.

Ⅱ. Does this pull request fix one issue?

part of #5407

Ⅲ. List the added test cases (unit test/integration test) if any, please explain if no tests are needed.

No new test cases added. All existing tests were migrated to Ginkgo/Gomega format.

Ⅳ. Describe how to verify it

go test ./pkg/ddc/thin/... -v

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[fluid-e2e-bot]

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[Copilot]

Pull request overview

This PR migrates pkg/ddc/thin/transform_config_test.go from standard Go testing framework to Ginkgo/Gomega as part of the ongoing effort to standardize testing across the Fluid codebase (issue #5407).

Changes:

• Replaced standard testing package with Ginkgo/Gomega for BDD-style testing
• Converted TestThinEngine_extractVolumeInfo to Ginkgo structure with Describe/It/BeforeEach blocks
• Converted TestThinEngine_extractVolumeMountOptions to DescribeTable with table-driven test entries
• Replaced reflect.DeepEqual and t.Errorf with Gomega matchers (Expect().To(Equal()), Expect().NotTo(HaveOccurred()))

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 59.22%. Comparing base (2a85fb5) to head (7958e2c).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #5627   +/-   ##
=======================================
  Coverage   59.22%   59.22%           
=======================================
  Files         444      444           
  Lines       30431    30431           
=======================================
  Hits        18024    18024           
  Misses      10912    10912           
  Partials     1495     1495           

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud