OPENNLP-1481 - Address failing ONNX Runtime tests

[rzo1]

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Note:

• Fixes typo in abstract test class
• Adjusts delta value in NameFinderDLEval to pass in Jenkins CI environment
• Adjusts DocumentCategorizerDLEval#categorize: Remove unnecessary boxing
• Adjusts DocumentCategorizerDLEval#sortedScoreMap: Change test to not rely on floating values as map keys for testing the sorted order of the result.