[There should be no duplicate license text files] 
Expected size:<1> but was:<2> in:
<[license text BSD+3clause+New+or+Revised+License,
    license text BSD+3Clause+New+or+Revised+License]>
at LicensesTest.lambda$licenseTexts_onlyTxtOrHtmlOrNoExtension_noDuplicates$12(LicensesTest.java:201)