Update tests

Author: Tinche

mypy/plugins/attrs.py

@@ -1096,7 +1096,7 @@ def fields_function_sig_callback(ctx: mypy.plugin.FunctionSigContext) -> Callabl
                     )
 
         ctx.api.fail(
-            f'Argument 1 to "fields" has incompatible type "{format_type_bare(proper_type)}"; expected an attrs class',
+            f'Argument 1 to "fields" has incompatible type "{format_type_bare(proper_type, ctx.api.options)}"; expected an attrs class',
             ctx.context,
         )
     return ctx.default_signature

test-data/unit/check-plugin-attrs.test

@@ -1562,7 +1562,7 @@ reveal_type(f(A)[0])  # N: Revealed type is "attr.Attribute[builtins.int]"
 reveal_type(f(A).b)  # N: Revealed type is "attr.Attribute[builtins.int]"
 f(A).x  # E: "____main___A_AttrsAttributes__" has no attribute "x"
 
-[builtins fixtures/attr.pyi]
+[builtins fixtures/plugin_attrs.pyi]
 
 [case testAttrsGenericFields]
 from typing import TypeVar
@@ -1584,7 +1584,7 @@ def f(t: TA) -> None:
     fields(t).x  # E: "____main___A_AttrsAttributes__" has no attribute "x"
 
 
-[builtins fixtures/attr.pyi]
+[builtins fixtures/plugin_attrs.pyi]
 
 [case testNonattrsFields]
 from typing import Any, cast
@@ -1598,7 +1598,7 @@ fields(A)  # E: Argument 1 to "fields" has incompatible type "Type[A]"; expected
 fields(None)  # E: Argument 1 to "fields" has incompatible type "None"; expected an attrs class
 fields(cast(Any, 42))
 
-[builtins fixtures/attr.pyi]
+[builtins fixtures/plugin_attrs.pyi]
 
 [case testAttrsInitMethodAlwaysGenerates]
 from typing import Tuple