Fix import casing for resultSet

[kyle-cohere]

Tests for copy-value-to-item-column, salesorder-deposit-tracking, and set-default-posting-period fail due to an import casing issue in the test files. This commit resolves that issue and gets the tests passing.

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[jkelly-ns]

Thank you for your feedback and contribution. We cannot merge pull requests without a signed Oracle Contributor Agreement, but we have created a separate pull request for these changes thanks to your catch.