Add IPV6 tests to run_tests script

docker-compose creates an IPV6 network even if IPV6 is not enabled
globally in Docker.

Signed-off-by: Richard Berg <rberg@bitwise.io>

bin/run_tests

@@ -23,6 +23,7 @@ MODULE_LIST="
     settings
     identity
     block_info
+    ipv6
     battleship
     validator
     rust_sdk
@@ -144,6 +145,9 @@ main() {
                 integration)
                     test_integration
                     ;;
+                ipv6)
+                    test_ipv6
+                    ;;
                 deployment)
                     test_deployment
                     ;;
@@ -180,6 +184,11 @@ test_identity() {
   copy_coverage .coverage.identity
 }
 
+test_ipv6() {
+    run_docker_test ./integration/sawtooth_integration/docker/test_ipv6.yaml
+    copy_coverage .coverage.ipv6
+}
+
 test_block_info() {
   run_docker_test test_block_info_injector
   copy_coverage .coverage.block_info_injector