replace InheritableIvars spec examples in EventLogger::Base spec with shared examples from InheritableIvars, replace active_record_spec_helper requirement with explicit dependency requirements
replace InheritableIvars spec examples in EventLogger::Base spec with shared examples from InheritableIvars, replace active_record_spec_helper requirement with explicit dependency requirements

UM-USElab/gradecraft-development,UM-USElab/gradecraft-development,UM-USElab/gradecraft-development,UM-USElab/gradecraft-development