Feature: Sum Pairs
It sums pairs of numbers
Scenario Outline: adds x + y to equal sum
Given x is <x>
When add <y>
Then the sum is <sum>
Examples:
| x | y | sum |
| 1 | 2 | 3 |
| 0 | 1 | 1 |
| -1 | 1 | 0 |
| 1 | 0 | 1 |