public void GeneratorKey_starts_with_the_specified_number()
 {
     const int startNumber = 10;
     var g = new IntegerKeyGenerator(startNumber);
     Assert.AreEqual(startNumber, g.GenerateKey());
     Assert.AreEqual(startNumber + 1, g.GenerateKey());
 }
 public void GenerateKey_starts_with_One()
 {
     var g = new IntegerKeyGenerator();
     Assert.AreEqual(1, g.GenerateKey());
 }