Refactor Unit Tests

[bmuenzenmeyer]

Looking through unit tests, they show the evolution of the project in all its ugly glory.

• Use addPattern() against a real file found in ./test/files
• When that's not possible, use addPattern() against a mocked pattern object
• Add helpers for unDRY components
• Reformat documents
• Standardize structure (method - condition)
• I am sure more

[bmuenzenmeyer]

closing as too general