Attempt to fix playwright tests (#1357)

Author: cpsievert

examples/model-score/app.py

@@ -48,7 +48,9 @@ def df():
         params=[150],
     )
     # Convert timestamp to datetime object, which SQLite doesn't support natively
-    tbl["timestamp"] = pd.to_datetime(tbl["timestamp"], utc=True)
+    tbl["timestamp"] = pd.to_datetime(
+        tbl["timestamp"], utc=True, format="%Y-%m-%d %H:%M:%S.%f"
+    )
     # Create a short label for readability
     tbl["time"] = tbl["timestamp"].dt.strftime("%H:%M:%S")
     # Reverse order of rows
@@ -64,7 +66,9 @@ def read_time_period(from_time, to_time):
         params=[from_time, to_time],
     )
     # Treat timestamp as a continuous variable
-    tbl["timestamp"] = pd.to_datetime(tbl["timestamp"], utc=True)
+    tbl["timestamp"] = pd.to_datetime(
+        tbl["timestamp"], utc=True, format="%Y-%m-%d %H:%M:%S.%f"
+    )
     tbl["time"] = tbl["timestamp"].dt.strftime("%H:%M:%S")
 
     return tbl

tests/playwright/shiny/components/nav/app.py

@@ -110,9 +110,6 @@ def make_navset(
         make_navset(
             "navset_bar", ui.navset_bar, title=True, sidebar=True, headerfooter=True
         ),
-        make_navset(
-            "navset_bar", ui.navset_bar, title=True, sidebar=True, headerfooter=True
-        ),
         make_navset("navset_tab", ui.navset_tab, headerfooter=True),
         make_navset("navset_pill", ui.navset_pill, headerfooter=True),
         make_navset("navset_underline", ui.navset_underline, headerfooter=True),