moved test data into the test function for single node test

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
moved test data for /nodes into test function

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
added test for a node with defined packages

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
remove verbose logging from controller fetches

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>