[SIGMON-198] same env as on SWAN

Context

• task: https://its.cern.ch/jira/browse/SIGMON-198
• lhc-sm-hwc MR: lhc-sm-hwc!46 (merged)

What was done

• logs in a method that compares notebooks' outputs improved
• method that compares selected type of output created (method that helps debugging)

TODO

• documentation (separate task https://its.cern.ch/jira/browse/SIGMON-199)

QA

• no sonar (not pushed to master yet)
• code was unit tested
• no acceptance tests (these are helper methods used in the acceptance tests)

Review objectives

• assessment of code functionality
• assessment of code quality
• identifying potential refactorings / logic common to other projects
• knowledge sharing