Fixed network policy of client_integration_test

//test/common/integration:client_integration_test requires networking
which is not allowed by default. This allows the test to use the
localhost network.

Signed-off-by: Will <will@engflow.com>

test/common/integration/BUILD

@@ -8,10 +8,10 @@ envoy_cc_test(
     name = "client_integration_test",
     srcs = ["client_integration_test.cc"],
     repository = "@envoy",
-    # TODO(jpsim): Fix remote execution for these tests
-    tags = [
-        "no-remote-exec",
-    ],
+    exec_properties = {
+        # TODO(willengflow): Remove this once the sandboxNetwork=off works for ipv4 localhost addresses.
+        "sandboxNetwork": "standard",
+    },
     deps = [
         "//library/common/extensions/filters/http/local_error:config",
         "//library/common/extensions/filters/http/local_error:filter_cc_proto",