Example for Unit Test (#52)

unit_testing/lib/model/lat_long.dart

@@ -0,0 +1,5 @@
+class LatLong {
+  final double latitude;
+  final double longitude;
+  LatLong({this.latitude, this.longitude});
+}

unit_testing/lib/model/location.dart

@@ -0,0 +1,18 @@
+import 'lat_long.dart';
+
+class Location {
+  final int id;
+  final String name;
+  final String image;
+  final LatLong latlong;
+  final String country;
+  final String info;
+  Location({
+    this.id,
+    this.name,
+    this.image,
+    this.latlong,
+    this.country,
+    this.info,
+  });
+}