Make dummy strings used in test consistent

Author: sidhant007

pandas/tests/frame/test_to_csv.py

@@ -744,13 +744,13 @@ def test_to_csv_bytes(self):
         # GH 9712
         times = date_range("2013-10-27 23:00", "2013-10-28 00:00", freq="H")
         df = DataFrame(
-            {b"hello": [b"abcd", b"world"], b"times": times}, index=[b"A", b"B"]
+            {b"foo": [b"bar", b"baz"], b"times": times}, index=[b"A", b"B"]
         )
         df.loc[b"C"] = np.nan
         df.index.name = b"idx"
 
         df_expected = DataFrame(
-            {"hello": ["abcd", "world"], "times": times}, index=["A", "B"]
+            {"foo": ["bar", "baz"], "times": times}, index=["A", "B"]
         )
         df_expected.loc["C"] = np.nan
         df_expected.index.name = "idx"
@@ -763,10 +763,10 @@ def test_to_csv_bytes(self):
 
         non_unicode_byte = b"\xbc\xa6"
         non_unicode_decoded = non_unicode_byte.decode("gb18030")
-        df = DataFrame({non_unicode_byte: [non_unicode_byte, b"world"]})
+        df = DataFrame({non_unicode_byte: [non_unicode_byte, b"foo"]})
         df.index.name = "idx"
 
-        df_expected = DataFrame({non_unicode_decoded: [non_unicode_decoded, "world"]})
+        df_expected = DataFrame({non_unicode_decoded: [non_unicode_decoded, "foo"]})
         df_expected.index.name = "idx"
 
         with tm.ensure_clean("__tmp_to_csv_bytes__.csv") as path:
@@ -779,13 +779,13 @@ def test_to_csv_bytes(self):
             df.to_csv(bytes_encoding="utf-8")
 
         # mixing of bytes and non-bytes
-        df = DataFrame({"hello": [b"abcd", "world"]})
+        df = DataFrame({"foo": [b"bar", "baz"]})
         with pytest.raises(ValueError):
             df.to_csv()
-        df = DataFrame({b"hello": ["a", "b"], "world": ["c", "d"]})
+        df = DataFrame({b"foo": ["a", "b"], "bar": ["c", "d"]})
         with pytest.raises(ValueError):
             df.to_csv()
-        df = DataFrame({"hello": ["a", "b"], "world": ["c", "d"]}, index=["A", b"B"])
+        df = DataFrame({"foo": ["a", "b"], "bar": ["c", "d"]}, index=["A", b"B"])
         with pytest.raises(ValueError):
             df.to_csv()