[CALCITE-5611] Show sql for failed tests for SqlOperatorTest

[snuyanzin]

The PR is aiming to make failing test showing SQL for which the test is failed

[sonarqubecloud]

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[JiajunBernoulli]

The improvement is really helpful, but you changed many public interfaces.

I worry about they maybe cause damage to other users.

@snuyanzin Can you add interfaces instead of changing them?

[snuyanzin]

hmm.. there are only 2 interfaces from testkit changed org.apache.calcite.sql.test.SqlTester.TypeChecker and org.apache.calcite.sql.test.SqlTester.ResultChecker
and both about matcher checkers....
Even if so the migration is pretty straightforward by adding String field

[rubenada]

I agree with @snuyanzin , as far as I can see only two interfaces from testkit are modified, IMO that seems no big deal.

[rubenada]

LGTM. Needs to squash commits into a single one.

[snuyanzin]

squashed commits and rebased

also changed String arg to Supplier<String> as mentioned by Julian in jira

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
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0 Security Hotspots
2 Code Smells

86.7% Coverage
0.0% Duplication