[HOTFIX] Fix python tests after #9527
[HOTFIX] Fix python tests after #9527

#9527 missed updating the python tests.

Author: Michael Armbrust <michael@databricks.com>

Closes #9533 from marmbrus/hotfixTextValue.

(cherry picked from commit 105732dcc6b651b9779f4a5773a759c5b4fbd21d)
Signed-off-by: Reynold Xin <c9d35a384bc579d1c6c8c055f2a2b5c04e11b521@databricks.com>

haowu80s/spark,haowu80s/spark,haowu80s/spark,haowu80s/spark,haowu80s/spark,haowu80s/spark