Upgrade httpx and remove xfail from tests, refs #1005

setup.py

@@ -48,7 +48,7 @@ setup(
         "click-default-group~=1.2.2",
         "Jinja2>=2.10.3,<2.12.0",
         "hupper~=1.9",
-        "httpx>=0.15",
+        "httpx>=0.17",
         "pint~=0.9",
         "pluggy~=0.13.0",
         "uvicorn~=0.11",

tests/test_api.py

@@ -810,7 +810,6 @@ def test_table_shape_object_compound_primary_key(app_client):
     assert {"a,b": {"pk1": "a", "pk2": "b", "content": "c"}} == response.json
 
 
-@pytest.mark.xfail
 def test_table_with_slashes_in_name(app_client):
     response = app_client.get(
         "/fixtures/table%2Fwith%2Fslashes.csv?_shape=objects&_format=json"
@@ -1286,7 +1285,6 @@ def test_row_format_in_querystring(app_client):
     assert [{"id": "1", "content": "hello"}] == response.json["rows"]
 
 
-@pytest.mark.xfail
 def test_row_strange_table_name(app_client):
     response = app_client.get(
         "/fixtures/table%2Fwith%2Fslashes.csv/3.json?_shape=objects"

tests/test_html.py

@@ -158,7 +158,6 @@ def test_row_redirects_with_url_hash(app_client_with_hash):
     assert response.status == 200
 
 
-@pytest.mark.xfail
 def test_row_strange_table_name_with_url_hash(app_client_with_hash):
     response = app_client_with_hash.get(
         "/fixtures/table%2Fwith%2Fslashes.csv/3", allow_redirects=False
@@ -552,7 +551,6 @@ def test_facets_persist_through_filter_form(app_client):
     ]
 
 
-@pytest.mark.xfail
 @pytest.mark.parametrize(
     "path,expected_classes",
     [
@@ -584,7 +582,6 @@ def test_css_classes_on_body(app_client, path, expected_classes):
     assert classes == expected_classes
 
 
-@pytest.mark.xfail
 @pytest.mark.parametrize(
     "path,expected_considered",
     [