[UT] Fix the test case: test_iceberg_parallel_prepare_metadata

[trueeyu]

Why I'm doing:

The problem is introduced by #47190

AssertionError: False is not true : assert expect ICEBERG.processSplit.IcebergFilter is not found in plan, error msg is ((' 0ms|-- Total[1] 21ms',), (' 0ms|    -- Analyzer[1] 0',), (' 0ms|        -- AnalyzeDatabase[2] 0',), (' 0ms|        -- AnalyzeTemporaryTable[2] 0',), (' 0ms|        -- AnalyzeTable[2] 0',), (' 0ms|    -- Transformer[1] 0',), (' 1ms|    -- Optimizer[1] 19ms',), (' 1ms|        -- preprocessMvs[1] 0',), (' 1ms|            -- chooseCandidates[1] 0',), (' 1ms|            -- generateMvPlan[1] 0',), (' 1ms|            -- validateMv[1] 0',), (' 1ms|            -- mvWithView[1] 0',), (' 1ms|        -- RuleBaseOptimize[1] 17ms',), (' 2ms|            -- EXTERNAL.parallel_prepare_metadata[1] 15ms',), (' 4ms|                -- ICEBERG.prepareTablesNum[2] 0',), (" 4ms|                -- ICEBERG.processSplit.Filter{databaseName='ice_db_b8b43ce035024a1e9deb4540bf0fbf6e', tableName='ice_tbl_b8b43ce035024a1e9deb4540bf0fbf6e', snapshotId=5413665458947157420, predicate=2: col_int = 1}[1] 3ms",), ("14ms|                -- ICEBERG.processSplit.Filter{databaseName='ice_db_b8b43ce035024a1e9deb4540bf0fbf6e', tableName='ice_tbl_b8b43ce035024a1e9deb4540bf0fbf6e', snapshotId=5413665458947157420, predicate=4: col_int = 2}[1] 3ms",), ('19ms|        -- CostBaseOptimize[1] 0',), ('19ms|        -- PhysicalRewrite[1] 0',), ('20ms|        -- PlanValidate[1] 0',), ('20ms|            -- InputDependenciesChecker[1] 0',), ('20ms|            -- TypeChecker[1] 0',), ('20ms|            -- CTEUniqueChecker[1] 0',), ('20ms|            -- ColumnReuseChecker[1] 0',), ('20ms|    -- ExecPlanBuild[1] 1ms',), ('Tracer Cost: 77us',))
]]></failure><system-out><![CDATA[[case name]:  test_iceberg_parallel_prepare_metadata

ICEBERG.processSplit. has already stated that it is Iceberg, so there is no need to output the subsequent information.

What I'm doing:

What type of PR is this:

• BugFix
• Feature
• Enhancement
• Refactor
• UT
• Doc
• Tool

Does this PR entail a change in behavior?

• Yes, this PR will result in a change in behavior.
• No, this PR will not result in a change in behavior.

If yes, please specify the type of change:

• Interface/UI changes: syntax, type conversion, expression evaluation, display information
• Parameter changes: default values, similar parameters but with different default values
• Policy changes: use new policy to replace old one, functionality automatically enabled
• Feature removed
• Miscellaneous: upgrade & downgrade compatibility, etc.

Checklist:

• I have added test cases for my bug fix or my new feature
• This pr needs user documentation (for new or modified features or behaviors)
  • I have added documentation for my new feature or new function
• This is a backport pr

Bugfix cherry-pick branch check:

• I have checked the version labels which the pr will be auto-backported to the target branch
  • 3.3
  • 3.2
  • 3.1
  • 3.0
  • 2.5

[github-actions]

[FE Incremental Coverage Report]

✅ pass : 0 / 0 (0%)

[github-actions]

[BE Incremental Coverage Report]

✅ pass : 0 / 0 (0%)

[stephen-shelby]

@Mergifyio backport branch-3.3

[mergify]

backport branch-3.3

✅ Backports have been created

• #47239 [UT] Fix the test case: test_iceberg_parallel_prepare_metadata (backport #47224) has been created for branch branch-3.3