Extend automatic type coercion support in Delta table creation to char

[SemionPar]

Description

• extend automatic type coercion support in Iceberg table creation to char type
• generify existing test names

Additional context and related issues

#21515

Release notes

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# Section
* Fix some things. ({issue}`issuenumber`)

[ebyhr]

Could you confirm CI failure?

Error:    TestDeltaLakeAlluxioCacheMinioAndHmsConnectorSmokeTest>BaseDeltaLakeConnectorSmokeTest.testCharTypeIsNotSupported:298->AbstractTestQueryFramework.assertQueryFails:445 Expected query to fail: CREATE TABLE test_char_type_not_supported1l1p3azzoy (a int, b CHAR(5)) WITH (location = 's3://test-delta-lake-integration-smoke-test-tfbohsp0r0/test_char_type_not_supported1l1p3azzoy') [QueryId: 20240521_075142_00955_h3d6i]
Error:    TestDeltaLakeMinioAndHmsConnectorSmokeTest>BaseDeltaLakeConnectorSmokeTest.testCharTypeIsNotSupported:298->AbstractTestQueryFramework.assertQueryFails:445 Expected query to fail: CREATE TABLE test_char_type_not_supportedb45k3qefnm (a int, b CHAR(5)) WITH (location = 's3://test-delta-lake-integration-smoke-test-qzd44p5sxb/test_char_type_not_supportedb45k3qefnm') [QueryId: 20240521_075202_01004_wdpaa]

[SemionPar]

Removed the failing test as it is now supported.

[ebyhr]

/test-with-secrets sha=8431b2f26da2dffb351d1fc730151bc2135a58cd

[github-actions]

The CI workflow run with tests that require additional secrets has been started: https://github.com/trinodb/trino/actions/runs/9344906683