There is an art to condensing test concepts into readable, fast, clear predicates.

• We look at many examples and show how they can be improve
• Master the use of any() and all() with generator expressions.
• Expression set() relations to express big ideas clearly.
• Cover the problem space with combinatoric iterators: product(), combinations(), permutations()
• Use subtests for clear error reporting
• Factor-out data acquisition and parsing from the test predicates.
• Learn patterns for testing edge cases.
• Cover class based technique for test reuse.
• Make effective use of setup and teardown.
• We look at many examples and show how they can be improved
• Treating TDD test cases and bug test cases with special reverence.