Update Test cases

Author: Vighneswar Rao Bojja

docker/test.conf

@@ -10,11 +10,11 @@ server {
     }
 
     location /api {
+        status_zone location_test;
         api write=on;
     }
 
     location /test {
-        status_zone location_test;
         proxy_pass http://test;
         health_check interval=10 fails=3 passes=1;
     }

tests/client_test.go

@@ -485,11 +485,13 @@ func TestStats(t *testing.T) {
 	} else {
 		t.Errorf("Upstream 'test' not found")
 	}
-
-	if locZone, ok := stats.LocationZones[locationZone]; !ok {
-		t.Errorf("LocationZone %v not found", locZone)
+	if locZones, ok := stats.LocationZones[locationZone]; ok {
+		if locZones.Requests < 1 {
+			t.Errorf("LocationZone stats missing: %v", locZones.Requests)
+		}
+	} else {
+		t.Errorf("LocationZone %v not found", locationZone)
 	}
-
 	if resolver, ok := stats.Resolvers[resolverMetric]; !ok {
 		t.Errorf("Resolver %v not found", resolver)
 	}