QT test tries to execute while cross-build

Hi,

I am trying to cross- build QT, without XCB and tried to build the examples and tests.

```

-GNinja -DCMAKE_BUILD_TYPE=Release -DBUILD_CMAKE_TESTING=OFF -DBUILD_qtactiveqt=OFF -DBUILD_qtbase=ON -DBUILD_qtdoc=OFF -DBUILD_SHARED_LIBS=ON -DBUILD_WITH_PCH=OFF -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_INSTALL_LIBDIR=/usr/lib -DFEATURE_clang=OFF -DFEATURE_clangcpp=OFF -DFEATURE_cross_compile=ON -DFEATURE_zstd=OFF -DQT_ALLOW_SYMLINK_IN_PATHS=ON -DQT_USE_CCACHE=ON -DWARNINGS_ARE_ERRORS=OFF -DCMAKE_IGNORE_PATH='/;/usr;/usr/local' -DFEATURE_alsa=OFF -DFEATURE_bluez=ON -DFEATURE_cups=OFF -DFEATURE_dbus=ON -DDBus1_FOUND=ON -DFEATURE_dbus_linked=ON -DFEATURE_evdev=ON -DFEATURE_ffmpeg=OFF -DFEATURE_fontconfig=ON -DFEATURE_gif=OFF -DFEATURE_glib=ON -DFEATURE_grpc=OFF -DFEATURE_gssapi=OFF -DFEATURE_gstreamer_1_0=ON -DFEATURE_gtk3=OFF -DFEATURE_iconv=OFF -DFEATURE_icu=OFF -DFEATURE_jasper=OFF -DFEATURE_journald=OFF -DFEATURE_libinput=ON -DFEATURE_libproxy=OFF -DFEATURE_libudev=ON -DFEATURE_lttng=OFF -DFEATURE_mng=OFF -DFEATURE_modbus_serialport=OFF -DFEATURE_mtdev=ON -DFEATURE_opengl=ON -DFEATURE_opengl_desktop=OFF -DFEATURE_openssl=ON -DFEATURE_openssl_linked=ON -DFEATURE_opensslv11=ON -DFEATURE_opensslv30=OFF -DFEATURE_printsupport=OFF -DQT_FEATURE_printer=OFF -DFEATURE_linguist=OFF -DFEATURE_sql_mysql=OFF -DFEATURE_sql_pql=OFF -DFEATURE_sql_sqlite=ON -DFEATURE_sql=ON -DFEATURE_system_freetype=ON -DFEATURE_system_harfbuzz=ON -DFEATURE_system_hunspell=ON -DFEATURE_system_jpeg=OFF -DFEATURE_system_pcre2=ON -DFEATURE_system_png=ON -DFEATURE_system_sqlite=ON -DFEATURE_system_tiff=OFF -DFEATURE_system_webp=OFF -DFEATURE_system_zlib=ON -DFEATURE_tslib=OFF -DFEATURE_use_bfd_linker=ON -DFEATURE_use_gold_linker=OFF -DFEATURE_vnc=OFF -DFEATURE_xkbcommon=ON -DFEATURE_xlib=OFF -DFEATURE_gui=ON -DFEATURE_eglfs=ON -DFEATURE_linuxfb=OFF -DFEATURE_widgets=ON -DFEATURE_xcb=OFF -DQT_BUILD_EXAMPLES=ON -DQT_BUILD_EXAMPLES_BY_DEFAULT=ON -DQT_BUILD_MANUAL_TESTS=OFF -DQT_BUILD_TESTS=ON -DQT_BUILD_TESTS_BY_DEFAULT=ON -DBUILD_qt3d=OFF -DBUILD_qt5compat=ON -DBUILD_qtcharts=ON -DBUILD_qtcoap=ON -DBUILD_qtconnectivity=ON -DBUILD_qtdatavis3d=ON -DBUILD_qtdeclarative=ON -DBUILD_qtimageformats=ON -DBUILD_qtlocation=ON -DBUILD_qtlottie=ON -DBUILD_qtmqtt=ON -DBUILD_qtmultimedia=ON -DBUILD_qtnetworkauth=ON -DBUILD_qtopcua=ON -DBUILD_qtquick3d=ON -DBUILD_qtquick3dphysics=OFF -DBUILD_qtquickeffectmaker=OFF -DBUILD_qtquicktimeline=OFF -DBUILD_qtremoteobjects=ON -DBUILD_qtscxml=ON -DBUILD_qtsensors=ON -DBUILD_qtserialbus=ON -DBUILD_qtserialport=ON -DBUILD_qtshadertools=ON -DBUILD_qtspeech=ON -DBUILD_qtsvg=ON -DBUILD_qttools=ON -DBUILD_qttranslations=ON -DBUILD_qtvirtualkeyboard=ON -DBUILD_qtwayland=ON -DBUILD_qtwebchannel=ON -DBUILD_qtwebengine=OFF -DBUILD_qtwebsockets=ON -DBUILD_qtwebview=OFF -DFEATURE_vaes=OFF  -DBUILD_qtpositioning=ON  -DBUILD_qtlanguageserver=OFF  -DBUILD_qthttpserver=OFF  -DBUILD_qtgrpc=ON  -DQT_QPA_DEFAULT_PLATFORM=wayland -DFEATURE_gpu_vivante=ON -DFEATURE_kms=ON  -DFEATURE_eglfs_viv=ON  -DFEATURE_eglfs_viv_wl=ON \

```

But I am getting error, it seems the testcase is trying to run in the build machine itself and fails as below

```

FAILED: qtquick3d/tests/baseline/scenegrabber/.ibl/OpenfootageNET_lowerAustria01-1024.ktx qt6-6.5.3/qt-everywhere-src-6.5.3/target-build/qtquick3d/tests/baseline/scenegrabber/.ibl/OpenfootageNET_lowerAustria01-1024.ktx 
cd qt6-6.5.3/qt-everywhere-src-6.5.3/target-build/qtquick3d/tests/baseline/scenegrabber && fake/bin/balsam --no-plugins -o qt6-6.5.3/qt-everywhere-src-6.5.3/target-build/qtquick3d/tests/baseline/scenegrabber/.ibl qt6-6.5.3/qt-everywhere-src-6.5.3/qtquick3d/tests/baseline/data/shared/maps/OpenfootageNET_lowerAustria01-1024.hdr
qt.qpa.plugin: Could not find the Qt platform plugin "xcb" in ""
This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

Available platform plugins are: offscreen, vnc, minimal, linuxfb.

[13105/24662] Generating .ibl/TestEnvironment-512.ktx
FAILED: qtquick3d/tests/baseline/scenegrabber/.ibl/TestEnvironment-512.ktx qt6-6.5.3/qt-everywhere-src-6.5.3/target-build/qtquick3d/tests/baseline/scenegrabber/.ibl/TestEnvironment-512.ktx 
cd qt6-6.5.3/qt-everywhere-src-6.5.3/target-build/qtquick3d/tests/baseline/scenegrabber && fake/bin/balsam --no-plugins -o qt6-6.5.3/qt-everywhere-src-6.5.3/target-build/qtquick3d/tests/baseline/scenegrabber/.ibl qt6-6.5.3/qt-everywhere-src-6.5.3/qtquick3d/tests/baseline/data/shared/maps/OpenfootageNET_lowerAustria01-1024.hdr --no-plugins -o qt6-6.5.3/qt-everywhere-src-6.5.3/target-build/qtquick3d/tests/baseline/scenegrabber/.ibl qt6-6.5.3/qt-everywhere-src-6.5.3/qtquick3d/tests/baseline/data/shared/maps/TestEnvironment-512.exr
qt.qpa.plugin: Could not find the Qt platform plugin "xcb" in ""
This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

Available platform plugins are: offscreen, vnc, minimal, linuxfb.

[13106/24662] Linking CXX shared library qtbase/lib/libQt6Quick3DRuntimeRender.so.6.5.3
toolchain/lib/gcc/aarch64-linux-gnu/9.5.0/../../../../aarch64-linux-gnu/bin/ld.bfd: warning: toolchain/usr/lib/libGLESv2.so: unsupported GNU_PROPERTY_TYPE (5) type: 0xc0000000
toolchain/lib/gcc/aarch64-linux-gnu/9.5.0/../../../../aarch64-linux-gnu/bin/ld.bfd: warning: toolchain/lib/libEGL.so: unsupported GNU_PROPERTY_TYPE (5) type: 0xc0000000
[13107/24662] Building CXX object qtmultimedia/src/re...udio/ambisonics/stereo_from_soundfield_converter.cc.o[13108/24662] Building CXX object qtmultimedia/src/re...o/resonance_audio/api/binaural_surround_renderer.cc.o[13109/24662] Building CXX object qtmultimedia/src/re.../3rdparty/resonance-audio/platforms/common/utils.cc.o[13110/24662] Building CXX object qtmultimedia/src/re...ance_audio/ambisonics/ambisonic_binaural_decoder.cc.o[13111/24662] Building CXX object qtmultimedia/src/re...esonance_audio/ambisonics/ambisonic_lookup_table.cc.o[13112/24662] Building CXX object qtmultimedia/src/re...sonics/associated_legendre_polynomials_generator.cc.o[13113/24662] Building CXX object qtmultimedia/src/re...nce-audio/resonance_audio/ambisonics/foa_rotator.cc.o[13114/24662] Building CXX object qtmultimedia/src/re...nce-audio/resonance_audio/ambisonics/hoa_rotator.cc.o
ninja: build stopped: subcommand failed.

```

Any idea on this to move forward,