add two fields to ForceSendFields (#4580) (#8650)

Signed-off-by: Modular Magician <magic-modules@google.com>

Author: modular-magician

.changelog/4580.txt

@@ -0,0 +1,3 @@
+```release-note:bug
+container: Fixed updates on `export_custom_routes` and `import_custom_routes` in `google_compute_network_peering`
+```

google/resource_compute_network_peering.go

@@ -299,7 +299,7 @@ func expandNetworkPeering(d *schema.ResourceData) *compute.NetworkPeering {
 		ImportCustomRoutes:             d.Get("import_custom_routes").(bool),
 		ExportSubnetRoutesWithPublicIp: d.Get("export_subnet_routes_with_public_ip").(bool),
 		ImportSubnetRoutesWithPublicIp: d.Get("import_subnet_routes_with_public_ip").(bool),
-		ForceSendFields:                []string{"ExportSubnetRoutesWithPublicIp"},
+		ForceSendFields:                []string{"ExportSubnetRoutesWithPublicIp", "ImportCustomRoutes", "ExportCustomRoutes"},
 	}
 }
 

google/resource_compute_network_peering_test.go

@@ -90,6 +90,15 @@ func TestAccComputeNetworkPeering_customRoutesUpdate(t *testing.T) {
 				ImportStateVerify: true,
 				ImportStateId:     importId,
 			},
+			{
+				Config: testAccComputeNetworkPeeringDefaultCustomRoutes(primaryNetworkName, peeringName, suffix),
+			},
+			{
+				ResourceName:      "google_compute_network_peering.bar",
+				ImportState:       true,
+				ImportStateVerify: true,
+				ImportStateId:     importId,
+			},
 		},
 	})
 }