pepijnve opened a new pull request, #18620:
URL: https://github.com/apache/datafusion/pull/18620

   ## Which issue does this PR close?
   
   - None, simply corrects two unit tests
   
   ## Rationale for this change
   
   The `test_and_null_boolean_intervals` and `test_or_null_boolean_intervals` 
are a bit misleading. They try to create a 'null' interval using 
`Interval::try_new(ScalarValue::Boolean(None), ScalarValue::Boolean(None))`. 
The implementation of `try_new` normalises this to `Interval::UNCERTAIN`, which 
is not the same as 'null'.
   
   ## What changes are included in this PR?
   
   Adds tests demonstrating:
   - `Interval::try_new(ScalarValue::Boolean(None), ScalarValue::Boolean(None)) 
== Interval::UNCERTAIN`
   - `Interval::UNCERTAIN` contains `ScalarValue::Boolean(Some(true))` and 
`ScalarValue::Boolean(Some(false))`
   - `Interval::UNCERTAIN` does not contain `ScalarValue::Boolean(None)` or 
`ScalarValue::Null`
   
   Renames `test_and_null_boolean_intervals` and 
`test_and_null_boolean_intervals`
   
   ## Are these changes tested?
   
   Test only changes
   
   ## Are there any user-facing changes?
   
   No


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