code: public static void step(final String name, final ThrowableContextRunnableVoid<StepContext> runnable) {
          step(step -> {
              step.name(name);
              runnable.run(step);
              return null;
          });
      }
docs: Syntax sugar for {@link #step(ThrowableContextRunnable)}.
  
  @param name     the name of step.
  @param runnable the step's body.