Add tests for influxdb create_continuous_query

Currently marked as xfail, since we'll pull the existing changes into
here.

tests/pytests/unit/states/test_influxdb_continuous_query.py

@@ -0,0 +1,52 @@
+import pytest
+
+import salt.modules.influxdbmod as influx_mod
+import salt.states.influxdb_continuous_query as influx
+from tests.support.mock import create_autospec, patch
+
+
+@pytest.fixture
+def configure_loader_modules():
+    return {influx: {"__salt__": {}, "__opts__": {"test": False}}}
+
+
+@pytest.mark.xfail
+@pytest.mark.parametrize(
+    "expected_kwargs",
+    (
+        {},
+        {"something": "extra"},
+        {"something": "extra", "even": "more"},
+        {"something": "extra", "still": "more and more and more", "and": "more"},
+        {
+            "something": "extra",
+            "what": "in tarnation",
+            "do": "you want",
+            "to": "add here?",
+        },
+    ),
+)
+def test_when_present_is_called_it_should_pass_client_args_to_create_module(
+    expected_kwargs,
+):
+    influx_module = create_autospec(influx_mod)
+    influx_module.continuous_query_exists.return_value = False
+    with patch.dict(
+        influx.__salt__,
+        {
+            "influxdb.continuous_query_exists": influx_module.continuous_query_exists,
+            "influxdb.create_continuous_query": influx_module.create_continuous_query,
+        },
+    ):
+        influx.present(
+            name="foo",
+            database="fnord",
+            query="fnord",
+            resample_time="whatever",
+            coverage_period="fnord",
+            **expected_kwargs
+        )
+
+    actual_kwargs = influx_module.create_continuous_query.mock_calls[0].kwargs
+
+    assert actual_kwargs == expected_kwargs