test[nodeJS] 047 File rename (async)

"047-13 Renaming files with #rename:to:with:"
'Content generated by S8.' outputToFile: (TestPath,'Sample47-13.txt').
NodeJS fs rename: (TestPath, 'Sample47-13.txt') to: (TestPath, 'Sample47-13_.txt') with:[:error|
   error isNil ifFalse:[^self error: '047-13', error]
].