anchor.diff:  * Create3 - Interoperation with other clauses
   * Create4 - Large Create Query
   * Create5 - Multiple hops create patterns
  -* Create6 - Negative tests
   
   === Delete
   
  
positive.code: == Expressions
  
  
  === Boolean
  
  * Boolean4 - NOT logical operations
  
negative.code: * Null1 - IS NULL validation
  * Null2 - IS NOT NULL validation
  * Null2 - Null evaluation
  
  === Path
  
  * Path1 - Nodes of a path
  * Path2 - Relationships of a path
  * Path3 - Length of a path
  
  === Pattern
  
  * Pattern3 - Pattern Comprehension
  
  === String
  
  