Fix CI

Author: pierrejeambrun

airflow-core/docs/howto/customize-ui.rst

@@ -70,10 +70,10 @@ We can provide a JSON configuration to customize the UI.
 
 .. important::
 
-  - Currently only the ``brand`` color palette and globalCss can be customized.
+  - Currently only the ``brand`` color palette and ``globalCss`` can be customized.
   - You must supply ``50``-``950`` OKLCH color values for ``brand`` color.
   - OKLCH colors must have next format ``oklch(l c h)`` For more info see :ref:`config:api__theme`
-  - There is also the ability to provide custom global CSS for a fine grained theming control.
+  - There is also the ability to provide custom global CSS for a fine grained theme control.
 
 .. note::
 

airflow-core/tests/unit/api_fastapi/core_api/routes/ui/test_config.py

@@ -42,7 +42,15 @@
                 "950": {"value": "oklch(0.179 0.05 265.487)"},
             }
         }
-    }
+    },
+    "globalCss": {
+        "button": {
+            "text-transform": "uppercase",
+        },
+        "a": {
+            "text-transform": "uppercase",
+        },
+    },
 }
 
 expected_config_response = {