public void FoodRepCalcProximityZero()
        {
            var rep = new FoodTruckRepository();
            // Arrange
            double testLatitude1 = 37.7833;
            double testLongitude1 = -122.4167;
            var dist = rep.CalcProximity(0, 0, 0, 0);

            // Assert
            Assert.IsNotNull(dist);
            Assert.AreEqual(dist, 0);
        }
        public void FoodRepCalcProximitySameLoc()
        {
            var rep = new FoodTruckRepository();
            // Arrange
            double testLatitude1 = 37.7833;
            double testLongitude1 = -122.4167;
            var dist = rep.CalcProximity(testLatitude1, testLongitude1, testLatitude1, testLongitude1);

            // Assert
            Assert.IsNotNull(dist);
            Assert.IsTrue(dist < 0.0005);
        }