Refactoring: fixing rubocop file naming offenses
Refactoring: relaxing rubocop ClassLength cop
Bugfix: also test verbosity in integration tests
Refactoring: fixing rubocop ClassVars offenses
Refactoring: fixing rubocop ColonMethodCall offenses
Refactoring: fixing rubocop CommentIndentation offenses
Refactoring: fixing rubocop CyclomaticComplexity offenses
Refactoring: fixing rubocop DeprecatedClassMethods offenses
Refactoring: fixing rubocop EmptyLines offenses
Refactoring: fixing rubocop EmptyLinesAroundBody offenses
Refactoring: fixing rubocop HashSyntax offenses
Refactoring: fixing rubocop indentation offenses
Refactoring: fixing rubocop redundancy offenses
Refactoring: fixing rubocop spacing offenses
Refactoring: fixing rubocop trailing character offenses
Refactoring: fixing rubocop LineEndConcatenation offenses
Refactoring: fixing rubocop MethodCallParentheses offenses
Refactoring: fixing rubocop NilComparison offenses
Refactoring: fixing rubocop NonNilCheck offenses
Refactoring: fixing rubocop PerlBackrefs offenses