fix tests

Author: jonathan343

packages/smithy-http/tests/unit/test_fields.py

@@ -23,7 +23,7 @@ def test_field_multi_valued_basics() -> None:
     assert field.name == "fname"
     assert field.kind == FieldPosition.HEADER
     assert field.values == ["fval1", "fval2"]
-    assert field.as_string() == "fval1, fval2"
+    assert field.as_string() == "fval1,fval2"
     assert field.as_tuples() == [("fname", "fval1"), ("fname", "fval2")]
 
 
@@ -36,24 +36,24 @@ def test_field_multi_valued_basics() -> None:
         (['"'], '"'),
         (['val"1'], 'val"1'),
         (["val\\1"], "val\\1"),
-        # Multi-valued fields are joined with one comma and one space as separator.
-        (["val1", "val2"], "val1, val2"),
-        (["val1", "val2", "val3", "val4"], "val1, val2, val3, val4"),
-        (["©väl", "val2"], "©väl, val2"),
+        # Multi-valued fields are joined with one comma as separator.
+        (["val1", "val2"], "val1,val2"),
+        (["val1", "val2", "val3", "val4"], "val1,val2,val3,val4"),
+        (["©väl", "val2"], "©väl,val2"),
         # Values containing commas must be double-quoted.
-        (["val1", "val2,val3", "val4"], 'val1, "val2,val3", val4'),
-        (["v,a,l,1", "val2"], '"v,a,l,1", val2'),
+        (["val1", "val2,val3", "val4"], 'val1,"val2,val3",val4'),
+        (["v,a,l,1", "val2"], '"v,a,l,1",val2'),
         # In strings that get quoted, pre-existing double quotes are escaped with a
         # single backslash. The second backslash below is for escaping the actual
         # backslash in the string for Python.
-        (["slc", '4,196"'], 'slc, "4,196\\""'),
-        (['"val1"', "val2"], '"\\"val1\\"", val2'),
-        (["val1", '"'], 'val1, "\\""'),
-        (['val1:2",val3:4"', "val5"], '"val1:2\\",val3:4\\"", val5'),
+        (["slc", '4,196"'], 'slc,"4,196\\""'),
+        (['"val1"', "val2"], '"\\"val1\\"",val2'),
+        (["val1", '"'], 'val1,"\\""'),
+        (['val1:2",val3:4"', "val5"], '"val1:2\\",val3:4\\"",val5'),
         # If quoting happens, backslashes are also escaped. The following case is a
         # single backslash getting serialized into two backslashes. Python escaping
         # accounts for each actual backslash being written as two.
-        (["foo,bar\\", "val2"], '"foo,bar\\\\", val2'),
+        (["foo,bar\\", "val2"], '"foo,bar\\\\",val2'),
     ],
 )
 def test_field_serialization(values: list[str], expected: str):