disable tests failing with Java 21
- SwitchTests.testEnumSwitch - enum switch was decompiled as an ordinal switch.
- ThirdPartyTests.testUnboxToNumber - decompiled code contains Constable,
not Number.
- ThirdPartyTests.testLiteralAssignments - test specifies float numbers with
excess precision, Java truncates those since 19.
- ThirdPartyTests.testOptimizedVariables, testSwitchKrakatau,
testWhileLoopsKrakatau - decompiled variable does not match ('b' vs 'x')
