diff --git a/tests/examples_arguments_syntax/comet_chart.py b/tests/examples_arguments_syntax/comet_chart.py
index 32dd9392c..8e8f10b79 100644
--- a/tests/examples_arguments_syntax/comet_chart.py
+++ b/tests/examples_arguments_syntax/comet_chart.py
@@ -22,7 +22,7 @@
         y=alt.Y('variety:N', title='Variety'),
         size=alt.Size('yield:Q', scale=alt.Scale(range=[0, 12]), legend=alt.Legend(values=[20, 60], title='Barley Yield (bushels/acre)')),
         color=alt.Color('delta:Q', scale=alt.Scale(domainMid=0), legend=alt.Legend(title='Yield Delta (%)')),
-        tooltip=alt.Tooltip(['year:O', 'yield:Q']),
+        tooltip=[alt.Tooltip('year:O'), alt.Tooltip('yield:Q')],
         column=alt.Column('site:N', title='Site')
 
     )
diff --git a/tests/examples_methods_syntax/comet_chart.py b/tests/examples_methods_syntax/comet_chart.py
index b8edff751..f0f638d7f 100644
--- a/tests/examples_methods_syntax/comet_chart.py
+++ b/tests/examples_methods_syntax/comet_chart.py
@@ -24,8 +24,8 @@
     alt.Color('delta:Q')
         .scale(domainMid=0)
         .title('Yield Delta (%)'),
-    alt.Tooltip(['year:O', 'yield:Q']),
-    alt.Column('site:N').title('Site')
+    alt.Column('site:N').title('Site'),
+    tooltip=[alt.Tooltip('year:O'), alt.Tooltip('yield:Q')],
 ).transform_pivot(
     "year",
     value="yield",