Fix test warnings (#1893)

* test: eliminate pytest warnings

* docs: escape request filter examples

Author: bcantoni

tableauserverclient/server/request_options.py

@@ -378,10 +378,10 @@ def vf(self, name: str, value: str) -> Self:
           in August 2026. Examples below give the wire form (what the
           server sees after URL decoding) and the data value it matches.
           To match a value containing a literal comma, wire form
-          ``Rock\, Paper\, Scissors`` matches data value ``Rock, Paper,
+          ``Rock\\, Paper\\, Scissors`` matches data value ``Rock, Paper,
           Scissors`` (without escaping, the comma starts an OR-list). To
-          match a literal backslash, double it: wire form ``C:\\temp\\file``
-          matches data value ``C:\temp\file``.
+          match a literal backslash, double it: wire form ``C:\\\\temp\\\\file``
+          matches data value ``C:\\temp\\file``.
         - **Empty value** (``vf_<name>=``) is observed to override any
           workbook-embedded filter on that column, effectively widening it
           to all values. Not officially documented; behavior may change

test/test_datasource.py

@@ -987,6 +987,8 @@ def test_synchronous_publish_timeout_error(server) -> None:
 
 
 def test_async_publish_timeout_error(server) -> None:
+    server.version = "3.0"
+
     with requests_mock.mock() as m:
         m.register_uri("POST", server.datasources.baseurl, status_code=504)
 

test/test_site.py

@@ -205,6 +205,7 @@ def test_update_missing_id(server: TSC.Server) -> None:
         server.sites.update(single_site)
 
 
+@pytest.mark.filterwarnings("ignore:FlowsEnabled has been removed")
 def test_update_subscription_email_and_footer_preserve_case() -> None:
     # Regression for #1849: RequestFactory used to .lower() customSubscriptionEmail
     # and customSubscriptionFooter, silently mangling caller intent. Footer
@@ -221,6 +222,7 @@ def test_update_subscription_email_and_footer_preserve_case() -> None:
     )
 
 
+@pytest.mark.filterwarnings("ignore:FlowsEnabled has been removed")
 def test_create_subscription_email_and_footer_preserve_case() -> None:
     # Same regression for the create-site path.
     site = TSC.SiteItem(name="X", content_url="x")
@@ -348,7 +350,7 @@ def test_parsing_attr_capture(capture):
 
 
 @pytest.mark.filterwarnings("ignore:FlowsEnabled has been removed")
-@pytest.mark.parametrize("req, capture", product(["create_req", "update_req"], [True, False, None]))
+@pytest.mark.parametrize("req, capture", list(product(["create_req", "update_req"], [True, False, None])))
 def test_encoding_attr_capture(req, capture):
     site = TSC.SiteItem(
         content_url="test",

test/test_workbook.py

@@ -938,6 +938,8 @@ def test_synchronous_publish_timeout_error(server: TSC.Server) -> None:
 
 
 def test_async_publish_timeout_error(server: TSC.Server) -> None:
+    server.version = "3.0"
+
     with requests_mock.mock() as m:
         m.register_uri("POST", server.workbooks.baseurl, status_code=504)