kio: Disable build testing

Build testing would require some ruby-gems. Without looking into this further
they might be in meta-rubygems but we do not want to make this layer a
mandatory dependency.

Signed-off-by: Andreas Müller <schnitzeltony@gmail.com>

recipes-kde/kf5/tier3/kio/kio.bb

@@ -47,6 +47,8 @@ DEPENDS += " \
     krb5 \
 "
 
+EXTRA_OECMAKE += "-DBUILD_TESTING=OFF"
+
 do_configure:append() {
     # fix sysroot path
     sed -i 's:${STAGING_BINDIR_NATIVE}:${bindir}:g' ${B}/src/ioslaves/help/config-help.h