Update tests-environment.sh

[ci skip]

tests/tests-environment.sh

@@ -14,7 +14,11 @@ sudo make install
 
 cd -
 
-sudo wget -c "https://github.com/probonopd/AppImageKit/releases/download/continuous/appimagetool-x86_64.AppImage" -O /usr/local/bin/appimagetool
+cd /tmp/
-sudo chmod a+x /usr/local/bin/appimagetool
+wget -c "https://github.com/probonopd/AppImageKit/releases/download/continuous/appimagetool-x86_64.AppImage"
+chmod +x appimagetool*AppImage
+./appimagetool*AppImage --appimage-extract
+sudo cp squashfs-root/usr/bin/* /usr/local/bin
+cd -
 
 sudo apt-get -y install qt58base qt58declarative qt58webengine binutils xpra