TST: added failing tuple tests for str.startswith and str.startswith (pandas-dev#54942)

Author: ChronoJon

pandas/tests/strings/conftest.py

@@ -13,6 +13,8 @@
     ("decode", ("UTF-8",), {}),
     ("encode", ("UTF-8",), {}),
     ("endswith", ("a",), {}),
+    ("endswith", ((),), {}),
+    ("endswith", (("a",),), {}),
     ("endswith", ("a",), {"na": True}),
     ("endswith", ("a",), {"na": False}),
     ("extract", ("([a-z]*)",), {"expand": False}),
@@ -44,6 +46,8 @@
     ("split", (" ",), {"expand": False}),
     ("split", (" ",), {"expand": True}),
     ("startswith", ("a",), {}),
+    ("startswith", (("a",),), {}),
+    ("startswith", ((),), {}),
     ("startswith", ("a",), {"na": True}),
     ("startswith", ("a",), {"na": False}),
     ("removeprefix", ("a",), {}),