Problem: update voting_period is not tested

integration_tests/cosmoscli.py

@@ -370,4 +370,4 @@
         return self.cosmos_cli(i).query_host_params()
 
     def query_params(self, mod, i=0):
-        return self.cosmos_cli(i).query_params(mod)
+        return self.cosmos_cli(i).query_params(mod)

integration_tests/test_gov.py

@@ -222,7 +222,7 @@
 
 def test_host_enabled(cluster, tmp_path):
     cli = cluster.cosmos_cli()
-    p = cluster.cosmos_cli().query_host_params()
+    p = cli.query_host_params()
     assert p["host_enabled"]
     p["host_enabled"] = False
     proposal = tmp_path / "proposal.json"
@@ -247,3 +247,35 @@
     approve_proposal(cluster, rsp, msg=msg)
     p = cli.query_host_params()
     assert not p["host_enabled"]
+
+
+def test_gov_voting(cluster):
+    """
+    - change voting_period from default 10s to 216s
+    """
+    cli = cluster.cosmos_cli()
+
+    def assert_voting_period(voting_period_in_ns):
+        p = cli.query_gov_params()
+        assert p["voting_params"]["voting_period"] == voting_period_in_ns
+
+    assert_voting_period("10000000000")
+    voting_period_in_ns = "216000000000"
+    rsp = cluster.gov_propose_legacy(
+        "community",
+        "param-change",
+        {
+            "title": "Update gov voting",
+            "description": "ditto",
+            "changes": [
+                {
+                    "subspace": "gov",
+                    "key": "votingparams",
+                    "value": {"voting_period": voting_period_in_ns},
+                }
+            ],
+        },
+    )
+    assert rsp["code"] == 0, rsp["raw_log"]
+    approve_proposal(cluster, rsp)
+    assert_voting_period(voting_period_in_ns)