Problem: update voting_period is not tested

integration_tests/cosmoscli.py

@@ -185,6 +185,20 @@ def query_host_params(self):
                 **kwargs,
             )
         )
+
+    def query_gov_params(self):
+        kwargs = {
+            "node": self.node_rpc,
+            "output": "json",
+        }
+        return json.loads(
+            self.raw(
+                "q",
+                "gov",
+                "params",
+                **kwargs,
+            )
+        )
 
 
 class ClusterCLI(cluster.ClusterCLI):
@@ -213,3 +227,6 @@ def sign_batch_multisig_tx(self, *args, i=0, **kwargs):
 
     def query_host_params(self, i=0):
         return self.cosmos_cli(i).query_host_params()
+
+    def query_gov_params(self, i=0):
+        return self.cosmos_cli(i).query_gov_params()

integration_tests/test_gov.py

@@ -310,7 +310,7 @@ def test_inherit_vote(cluster):
 
 def test_host_enabled(cluster):
     cli = cluster.cosmos_cli()
-    p = cluster.cosmos_cli().query_host_params()
+    p = cli.query_host_params()
     assert p["host_enabled"]
     rsp = cluster.gov_propose_legacy(
         "community",
@@ -331,3 +331,30 @@ def test_host_enabled(cluster):
     approve_proposal(cluster, rsp)
     p = cli.query_host_params()
     assert not p["host_enabled"]
+
+
+def test_gov_voting(cluster):
+    cli = cluster.cosmos_cli()
+    p = cli.query_gov_params()
+    assert p["voting_params"]["voting_period"] == "10000000000"
+    print("mm-query_gov_params", p)
+    voting_period = "21600"
+    rsp = cluster.gov_propose_legacy(
+        "community",
+        "param-change",
+        {
+            "title": "Update gov voting",
+            "description": "ditto",
+            "changes": [
+                {
+                    "subspace": "gov",
+                    "key": "votingparams",
+                    "value": { "voting_period": voting_period },
+                }
+            ],
+        },
+    )
+    assert rsp["code"] == 0, rsp["raw_log"]
+    approve_proposal(cluster, rsp)
+    p = cli.query_gov_params()
+    assert p["voting_params"]["voting_period"] == voting_period