[brain tests] Burst typing extensions from the main file

2 files changed, 41 insertions, 32 deletions

diff --git a/tests/brain/test_brain.py b/tests/brain/test_brain.py
index 948dad26..a0bbd8ec 100644
--- a/tests/brain/test_brain.py
+++ b/tests/brain/test_brain.py
@@ -23,15 +23,6 @@ from astroid.exceptions import (
 from astroid.nodes.node_classes import Const
 from astroid.nodes.scoped_nodes import ClassDef
 
-try:
-    import typing_extensions  # pylint: disable=unused-import
-
-    HAS_TYPING_EXTENSIONS = True
-    HAS_TYPING_EXTENSIONS_TYPEVAR = hasattr(typing_extensions, "TypeVar")
-except ImportError:
-    HAS_TYPING_EXTENSIONS = False
-    HAS_TYPING_EXTENSIONS_TYPEVAR = False
-
 
 def assertEqualMro(klass: ClassDef, expected_mro: list[str]) -> None:
     """Check mro names."""
@@ -1519,29 +1510,6 @@ class TypingBrain(unittest.TestCase):
         assert i1.value == 2  # should be "Hello"!
 
 
-@pytest.mark.skipif(
-    not HAS_TYPING_EXTENSIONS,
-    reason="These tests require the typing_extensions library",
-)
-class TestTypingExtensions:
-    @staticmethod
-    @pytest.mark.skipif(
-        not HAS_TYPING_EXTENSIONS_TYPEVAR,
-        reason="Need typing_extensions>=4.4.0 to test TypeVar",
-    )
-    def test_typing_extensions_types() -> None:
-        ast_nodes = builder.extract_node(
-            """
-        from typing_extensions import TypeVar
-        TypeVar('MyTypeVar', int, float, complex) #@
-        TypeVar('AnyStr', str, bytes) #@
-        """
-        )
-        for node in ast_nodes:
-            inferred = next(node.infer())
-            assert isinstance(inferred, nodes.ClassDef)
-
-
 class ReBrainTest(unittest.TestCase):
     def test_regex_flags(self) -> None:
         names = [name for name in dir(re) if name.isupper()]
diff --git a/tests/brain/test_typing_extensions.py b/tests/brain/test_typing_extensions.py
new file mode 100644
index 00000000..27ee6ee5
--- /dev/null
+++ b/tests/brain/test_typing_extensions.py
@@ -0,0 +1,41 @@
+# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html
+# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE
+# Copyright (c) https://github.com/PyCQA/astroid/blob/main/CONTRIBUTORS.txt
+
+from __future__ import annotations
+
+import pytest
+
+from astroid import builder, nodes
+
+try:
+    import typing_extensions  # pylint: disable=unused-import
+
+    HAS_TYPING_EXTENSIONS = True
+    HAS_TYPING_EXTENSIONS_TYPEVAR = hasattr(typing_extensions, "TypeVar")
+except ImportError:
+    HAS_TYPING_EXTENSIONS = False
+    HAS_TYPING_EXTENSIONS_TYPEVAR = False
+
+
+@pytest.mark.skipif(
+    not HAS_TYPING_EXTENSIONS,
+    reason="These tests require the typing_extensions library",
+)
+class TestTypingExtensions:
+    @staticmethod
+    @pytest.mark.skipif(
+        not HAS_TYPING_EXTENSIONS_TYPEVAR,
+        reason="Need typing_extensions>=4.4.0 to test TypeVar",
+    )
+    def test_typing_extensions_types() -> None:
+        ast_nodes = builder.extract_node(
+            """
+        from typing_extensions import TypeVar
+        TypeVar('MyTypeVar', int, float, complex) #@
+        TypeVar('AnyStr', str, bytes) #@
+        """
+        )
+        for node in ast_nodes:
+            inferred = next(node.infer())
+            assert isinstance(inferred, nodes.ClassDef)