Fix integration test naming for UC Files

[mgyucht]

Changes

These tests are currently being skipped in integration tests. They run in the non-UC runner because the test name starts with TestAcc, but they are skipped there because metastore ID is not defined:

2024/03/26 02:08:32 [INFO] 🦥 TestAccUCUploadAndDownloadFilesAPI: === RUN   TestAccUCUploadAndDownloadFilesAPI
    init_test.go:103: Environment variable TEST_METASTORE_ID is missing
--- SKIP: TestAccUCUploadAndDownloadFilesAPI (0.00s)
2024/03/26 02:08:32 [INFO] 🦥 TestAccUCDeleteFile: === RUN   TestAccUCDeleteFile
    init_test.go:103: Environment variable TEST_METASTORE_ID is missing
--- SKIP: TestAccUCDeleteFile (0.00s)
2024/03/26 02:08:32 [INFO] 🦥 TestAccUCGetMetadata: === RUN   TestAccUCGetMetadata
    init_test.go:103: Environment variable TEST_METASTORE_ID is missing
--- SKIP: TestAccUCGetMetadata (0.00s)
2024/03/26 02:08:32 [INFO] 🦥 TestAccUCCreateDirectory: === RUN   TestAccUCCreateDirectory
    init_test.go:103: Environment variable TEST_METASTORE_ID is missing
--- SKIP: TestAccUCCreateDirectory (0.00s)
2024/03/26 02:08:32 [INFO] 🦥 TestAccUCListDirectoryContents: === RUN   TestAccUCListDirectoryContents
    init_test.go:103: Environment variable TEST_METASTORE_ID is missing
--- SKIP: TestAccUCListDirectoryContents (0.00s)
2024/03/26 02:08:32 [INFO] 🦥 TestAccUCDeleteDirectory: === RUN   TestAccUCDeleteDirectory
    init_test.go:103: Environment variable TEST_METASTORE_ID is missing
--- SKIP: TestAccUCDeleteDirectory (0.00s)
2024/03/26 02:08:32 [INFO] 🦥 TestAccUCGetDirectoryMetadata: === RUN   TestAccUCGetDirectoryMetadata
    init_test.go:103: Environment variable TEST_METASTORE_ID is missing
--- SKIP: TestAccUCGetDirectoryMetadata (0.00s)

This PR renames these tests so they are run in UC testing environments.

Tests

• Triggered the integration tests on this PR.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 8.00%. Comparing base (a823ca3) to head (31009ab).

Additional details and impacted files

@@          Coverage Diff          @@
##            main    #868   +/-   ##
=====================================
  Coverage   8.00%   8.00%           
=====================================
  Files        258     258           
  Lines      64416   64416           
=====================================
  Hits        5155    5155           
  Misses     58966   58966           
  Partials     295     295           

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