tst_QPlainTextEdit fails test cases on Android

agent:2020/12/10 20:09:24 build.go:379: 397: FAIL!  : tst_QPlainTextEdit::undoAvailableAfterPaste() Compared values are not the same
agent:2020/12/10 20:09:24 build.go:379: 397:    Actual   (ed->toPlainText()): "This is different text"
agent:2020/12/10 20:09:24 build.go:379: 397:    Expected (txt)              : "Test"
agent:2020/12/10 20:09:24 build.go:379: 397:    Loc: [/home/qt/work/qt/qtbase/tests/auto/widgets/widgets/qplaintextedit/tst_qplaintextedit.cpp(476)]
agent:2020/12/10 20:09:24 build.go:379: 397: FAIL!  : tst_QPlainTextEdit::copyAndSelectAllInReadonly() 'QApplication::clipboard()->text().isEmpty()' returned FALSE. ()
agent:2020/12/10 20:09:24 build.go:379: 397:    Loc: [/home/qt/work/qt/qtbase/tests/auto/widgets/widgets/qplaintextedit/tst_qplaintextedit.cpp(686)]
agent:2020/12/10 20:09:24 build.go:379: 397: FAIL!  : tst_QPlainTextEdit::canPaste() '!ed->canPaste()' returned FALSE. ()
agent:2020/12/10 20:09:24 build.go:379: 397:    Loc: [/home/qt/work/qt/qtbase/tests/auto/widgets/widgets/qplaintextedit/tst_qplaintextedit.cpp(1218)]
agent:2020/12/10 20:09:24 build.go:379: 397: FAIL!  : tst_QPlainTextEdit::updateCursorPositionAfterEdit() Compared values are not the same
agent:2020/12/10 20:09:24 build.go:379: 397:    Actual   (plaintextEdit.textCursor().position()): 23
agent:2020/12/10 20:09:24 build.go:379: 397:    Expected (initialPosition + txt.length())       : 4
agent:2020/12/10 20:09:24 build.go:379: 397:    Loc: [/home/qt/work/qt/qtbase/tests/auto/widgets/widgets/qplaintextedit/tst_qplaintextedit.cpp(1804)]
agent:2020/12/10 20:09:24 build.go:379: 397: PASS   : tst_QPlainTextEdit::cleanupTestCase()
agent:2020/12/10 20:09:24 build.go:379: 397: Totals: 80 passed, 4 failed, 1 skipped, 8 blacklisted, 1126ms
agent:2020/12/10 20:09:24 build.go:379: 397: ********* Finished testing of tst_QPlainTextEdit *********
agent:2020/12/10 20:09:25 build.go:379: 397: Execute /opt/android/sdk/platform-tools/adb uninstall org.qtproject.example.tst_qplaintextedit.
agent:2020/12/10 20:09:25 build.go:379: 397: Success
agent:2020/12/10 20:09:25 build.go:379: 397/425 Test #397: tst_qplaintextedit ..............................***Failed   19.55 sec