Do not install recommended packages while installing RMT in tests

Dockerfile.test

@@ -20,7 +20,7 @@ RUN zypper --non-interactive up
 RUN zypper --non-interactive in -t pattern devel_osc_build
 RUN zypper --non-interactive install --no-recommend wget curl timezone \
     gcc-c++ libffi-devel git-core zlib-devel libxml2-devel libxslt-devel libmariadb-devel \
-    mariadb-client ruby2.5-rubygem-bundler make build sudo ruby-devel
+    mariadb-client mariadb ruby2.5-rubygem-bundler make build sudo ruby-devel nginx
 
 
 ENV DOCKERIZE_VERSION v0.6.0
@@ -59,7 +59,7 @@ scc:\n\
 " >> /etc/rmt.conf
 RUN mkdir -p /var/lib/rmt/
 RUN printf "$SYSTEM_UUID" >> /var/lib/rmt/system_uuid
-RUN SUSEConnect -d
+RUN SUSEConnect -d; exit 0 # register can be cached, so that deregistering will fail. this command is never cached
 
 RUN bundle
 

integration.sh

@@ -6,7 +6,7 @@ osc co systemsmanagement:SCC:RMT rmt-server
 cd /tmp/rmt-server/package
 cp * ~/obs/systemsmanagement:SCC:RMT/rmt-server
 cd ~/obs/systemsmanagement:SCC:RMT/rmt-server && osc build SLE_15 x86_64 --no-verify --trust-all-projects && cd .. &&
-zypper --non-interactive --no-gpg-checks in /oscbuild/SLE_15-x86_64/home/abuild/rpmbuild/RPMS/x86_64/*
+zypper --non-interactive --no-gpg-checks in --no-recommends /oscbuild/SLE_15-x86_64/home/abuild/rpmbuild/RPMS/x86_64/*
 cd /usr/share/rmt
 RAILS_ENV=production /usr/share/rmt/bin/rails db:create db:migrate
 /usr/bin/rmt-cli sync