feat: Introducing SimplifyFilterConditionRuleTest

[liurenjie1024]

What's changed and what's your intention?

RT

Checklist

• I have written necessary docs and comments
• I have added necessary unit tests and integration tests

Refer to a related PR or issue link (optional)

See #521

[codecov]

Codecov Report

Merging #637 (7b394de) into main (7796ce4) will increase coverage by 0.16%.
The diff coverage is 88.23%.

@@             Coverage Diff              @@
##               main     #637      +/-   ##
============================================
+ Coverage     71.37%   71.53%   +0.16%     
- Complexity     2683     2699      +16     
============================================
  Files           882      887       +5     
  Lines         50080    50670     +590     
  Branches       1723     1723              
============================================
+ Hits          35743    36249     +506     
- Misses        13533    13609      +76     
- Partials        804      812       +8     

Flag	Coverage Δ
java	60.06% <88.23%> (+0.77%)	⬆️
rust	76.53% <ø> (-0.19%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...va/com/risingwave/common/config/Configuration.java	56.14% <ø> (ø)
...ngwave/execution/context/SessionConfiguration.java	87.50% <ø> (+37.50%)	⬆️
...risingwave/planner/planner/batch/BatchPlanner.java	92.98% <71.42%> (-1.47%)	⬇️
...a/com/risingwave/planner/planner/PlannerUtils.java	43.19% <84.61%> (+42.01%)	⬆️
...wave/common/config/BatchPlannerConfigurations.java	100.00% <100.00%> (ø)
...isingwave/planner/program/HepOptimizerProgram.java	71.42% <100.00%> (+2.19%)	⬆️
.../logical/subquery/SimplifyFilterConditionRule.java	100.00% <100.00%> (+100.00%)	⬆️
.../java/com/risingwave/planner/sql/SqlConverter.java	91.83% <100.00%> (+4.33%)	⬆️
rust/frontend/src/handler/explain.rs	0.00% <0.00%> (-98.42%)	⬇️
rust/rpc_client/src/meta_client.rs	47.97% <0.00%> (-42.51%)	⬇️
... and 59 more

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[lmatz]

It seems I may free ride on this PR for the tpch q19.