Fixup container test run

The example UI scripts that we are starting to use for testing are marked
as docs in the RPM and the container images exclude them.
Explicitly install them.

Dockerfile

@@ -2,4 +2,9 @@ FROM registry.opensuse.org/yast/head/containers/yast-cpp:latest
 # Install tmux to make sure the libyui+YaST integration tests are run
 RUN zypper --non-interactive in tmux
 
+# Enable installing docs...
+RUN sed -i 's/\(rpm\.install\.excludedocs =\).*/\1 no/' /etc/zypp/zypp.conf
+# ... and reinstall the RPM containing the examples we use for tests
+RUN zypper --non-interactive in --force yast2-ycp-ui-bindings-devel
+
 COPY . /usr/src/app