Fixed some pytest warnings in the tests

setup.cfg

@@ -1,4 +1,4 @@
-[pytest]
+[tool:pytest]
 addopts = --ignore pip/_vendor --ignore tests/tests_cache
 
 [bdist_wheel]

tests/functional/test_uninstall.py

@@ -395,7 +395,7 @@ def test_uninstallpathset_no_paths(caplog):
 
     assert (
         "Can't uninstall 'pip'. No files were found to uninstall."
-        in caplog.text()
+        in caplog.text
     )
 
 

tests/unit/test_finder.py

@@ -131,7 +131,7 @@ class TestWheel:
 
         assert (
             "invalid.whl; invalid wheel filename"
-            in caplog.text()
+            in caplog.text
         )
 
     def test_not_find_wheel_not_supported(self, data, monkeypatch):

tests/unit/test_wheel.py

@@ -356,7 +356,7 @@ class TestWheelBuilder(object):
                           wheel_download_dir='/wheel/dir')
             wb = wheel.WheelBuilder(reqset, Mock())
             wb.build()
-            assert "due to already being wheel" in caplog.text()
+            assert "due to already being wheel" in caplog.text
             assert mock_build_one.mock_calls == []