Fix Windows ARM: qttools - tst_lconvert::initTestCase()

agent:2024/08/08 00:53:23 build.go:404: 14: ********* Start testing of tst_lconvert *********
agent:2024/08/08 00:53:23 build.go:404: 14: Config: Using QtTest library 6.9.0, Qt 6.9.0 (arm64-little_endian-llp64 shared (dynamic) release build; by MSVC 2022), windows 11
agent:2024/08/08 00:53:23 build.go:404: 14: FAIL!  : tst_lconvert::initTestCase() 'QFile::exists(dataDir + QLatin1String("plural-1.po"))' returned FALSE. ()
agent:2024/08/08 00:53:23 build.go:404: 14: C:\Users\qt\work\qt\qttools\tests\auto\linguist\lconvert\tst_lconvert.cpp(46) : failure location
agent:2024/08/08 00:53:23 build.go:404: 14: PASS   : tst_lconvert::cleanupTestCase()
agent:2024/08/08 00:53:23 build.go:404: 14: Totals: 1 passed, 1 failed, 0 skipped, 0 blacklisted, 26ms
agent:2024/08/08 00:53:23 build.go:404: 14: ********* Finished testing of tst_lconvert *********
agent:2024/08/08 00:53:23 build.go:404: 14: qt-testrunner.py     INFO: Test process exited with code: 1
agent:2024/08/08 00:53:23 build.go:404: 14: qt-testrunner.py     INFO: Parsed XML file \Users\qt\work\testresults\tst_lconvert-1723078403832.xml in 0.000 seconds
agent:2024/08/08 00:53:23 build.go:404: 14: qt-testrunner.py     INFO: Found 1 passes and 1 failures
agent:2024/08/08 00:53:23 build.go:404: 14: qt-testrunner.py  WARNING: Failure detected in the special test function 'initTestCase' which can not be re-run individually
agent:2024/08/08 00:53:23 build.go:404: 14: qt-testrunner.py     INFO: Will re-run the full test executable
agent:2024/08/08 00:53:23 build.go:404: 14: qt-testrunner.py    DEBUG: Running test command line: ['C:/Users/qt/work/qt/qttools_standalone_tests/tests/auto/linguist/lconvert/tst_lconvert.exe', '-o', '\\Users\\qt\\work\\testresults\\tst_lconvert-1723078403909.xml,xml', '-o', '\\Users\\qt\\work\\testresults\\tst_lconvert-1723078403909.junit.xml,junitxml', '-o', '\\Users\\qt\\work\\testresults\\tst_lconvert-1723078403909.txt,txt', '-o', '-,txt']