public Map<String, Object> getData() {
    return dataVariables;
  }
Returns the data variables for data-driven features.
<p>
This cannot be used in a Specification level condition.
<p>
If accessed, the instance' setup will run before this can be evaluated.

@since 2.1
@return the data variables
spock-core/src/main/java/org/spockframework/runtime/extension/builtin/PreconditionContext.java