Updating the docs to show array selection with toHaveProperty Matcher

Author: iifawzi

docs/ExpectAPI.md

@@ -895,6 +895,16 @@ const houseForSale = {
     wallColor: 'white',
     'nice.oven': true,
   },
+  livingroom: {
+    amenities: [
+      {
+        'couch': [
+          ['large', { dimensions: [20,20] }], 
+          ['small', { dimensions: [10,10] }],
+        ]
+      },
+    ]
+  },
   'ceiling.height': 2,
 };
 
@@ -922,6 +932,7 @@ test('this house has my desired features', () => {
     ['oven', 'stove', 'washer'],
   );
   expect(houseForSale).toHaveProperty(['kitchen', 'amenities', 0], 'oven');
+  expect(houseForSale).toHaveProperty(['livingroom.amenities[0].couch[0][1].dimensions[0]'], '20');
   expect(houseForSale).toHaveProperty(['kitchen', 'nice.oven']);
   expect(houseForSale).not.toHaveProperty(['kitchen', 'open']);