Test for correct network in RSKj config

site-cookbooks/kosmos_rsk/test/integration/rskj/rskj_test.rb

@@ -21,3 +21,10 @@ end
 describe port(4444) do
   it { should be_listening }
 end
+
+describe parse_config_file('/etc/rsk/node.conf', {
+    assignment_regex: /^\s*([^=]*?)\s*=\s*(.*?)\s*$/
+}) do
+  its(['blockchain.config.name']) { should eq '"testnet"' }
+  its(['database.dir']) { should eq '/var/lib/rsk/database/testnet' }
+end