NIFI-15387 Re-enabled tests TestFetchFile, TestListFile and TestPutFile to run on Windows.

[dan-s1]

Summary

NIFI-15387
Re-enabled nine out of eleven tests in TestFetchFile, fourteen out of eighteen in TestListFile and eight of nine tests in TestPutFile to run on Windows. Also for the disabled test testNonReadableFile in StandardFileResourceServiceTest specified a disabled reason as it is the same reason for disabling testPutFile in TestPutFile. In addition, I also followed some of the Intellij suggestions for cleaning up the code.

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• Build completed using ./mvnw clean install -P contrib-check
  • JDK 21
  • JDK 25

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[exceptionfactory]

Thanks for working on this @dan-s1. It looks like at least one test is failing on Windows with the current changes, it seems like the message pattern needs to be simplified to avoid the tight coupling to the message.

TestListFile.testFilterPathPattern:653->assertVerificationOutcome:945 Expected verification result to match pattern [Successfully listed .* Found 4 objects.  Of those, 1 matches the filter.].  Actual explanation was: Successfully listed contents of Local Directory [D:\a\nifi\nifi\nifi-extension-bundles\nifi-standard-bundle\nifi-standard-processors\target\test\data\in].  Found 4 objects.  Of those, 0 match the filter. ==> expected: <true> but was: <false>