test: add reproducer for case-insensitive write rejection (same field ID, different column casing)#562

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pandaamit91:ampanda/oh-case-insensitive-writes-repro

Commits on Apr 27, 2026

test: characterize existing write behavior when column casing differs from stored schema

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test(spark): add caseSensitive=true failing variants for df.writeTo() append

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test(spark): correct explicit-column-list INSERT characterization for Spark 3.1

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