refactor: Addressed warnigs about missing default fixture loop scope in tests/test_is_async_test.py, tests/test_simple.py, and tests/test_skips.py.

Author: seifertm

tests/test_is_async_test.py

@@ -4,6 +4,7 @@
 
 
 def test_returns_false_for_sync_item(pytester: Pytester):
+    pytester.makeini("[pytest]\nasyncio_default_fixture_loop_scope = function")
     pytester.makepyfile(
         dedent(
             """\
@@ -28,6 +29,7 @@ def pytest_collection_modifyitems(items):
 
 
 def test_returns_true_for_marked_coroutine_item_in_strict_mode(pytester: Pytester):
+    pytester.makeini("[pytest]\nasyncio_default_fixture_loop_scope = function")
     pytester.makepyfile(
         dedent(
             """\
@@ -53,6 +55,7 @@ def pytest_collection_modifyitems(items):
 
 
 def test_returns_false_for_unmarked_coroutine_item_in_strict_mode(pytester: Pytester):
+    pytester.makeini("[pytest]\nasyncio_default_fixture_loop_scope = function")
     pytester.makepyfile(
         dedent(
             """\
@@ -77,6 +80,7 @@ def pytest_collection_modifyitems(items):
 
 
 def test_returns_true_for_unmarked_coroutine_item_in_auto_mode(pytester: Pytester):
+    pytester.makeini("[pytest]\nasyncio_default_fixture_loop_scope = function")
     pytester.makepyfile(
         dedent(
             """\

tests/test_simple.py

@@ -26,6 +26,7 @@ async def test_asyncio_marker():
 
 
 def test_asyncio_marker_compatibility_with_xfail(pytester: Pytester):
+    pytester.makeini("[pytest]\nasyncio_default_fixture_loop_scope = function")
     pytester.makepyfile(
         dedent(
             """\
@@ -45,6 +46,7 @@ async def test_asyncio_marker_fail():
 
 
 def test_asyncio_auto_mode_compatibility_with_xfail(pytester: Pytester):
+    pytester.makeini("[pytest]\nasyncio_default_fixture_loop_scope = function")
     pytester.makepyfile(
         dedent(
             """\
@@ -101,8 +103,9 @@ async def test_event_loop_before_fixture(self, loop):
         assert await loop.run_in_executor(None, self.foo) == 1
 
 
-def test_invalid_asyncio_mode(testdir):
-    result = testdir.runpytest("-o", "asyncio_mode=True")
+def test_invalid_asyncio_mode(pytester):
+    pytester.makeini("[pytest]\nasyncio_default_fixture_loop_scope = function")
+    result = pytester.runpytest("-o", "asyncio_mode=True")
     result.stderr.no_fnmatch_line("INTERNALERROR> *")
     result.stderr.fnmatch_lines(
         "ERROR: 'True' is not a valid asyncio_mode. Valid modes: auto, strict."

tests/test_skips.py

@@ -4,6 +4,7 @@
 
 
 def test_asyncio_strict_mode_skip(pytester: Pytester):
+    pytester.makeini("[pytest]\nasyncio_default_fixture_loop_scope = function")
     pytester.makepyfile(
         dedent(
             """\
@@ -22,6 +23,7 @@ async def test_no_warning_on_skip():
 
 
 def test_asyncio_auto_mode_skip(pytester: Pytester):
+    pytester.makeini("[pytest]\nasyncio_default_fixture_loop_scope = function")
     pytester.makepyfile(
         dedent(
             """\
@@ -39,6 +41,7 @@ async def test_no_warning_on_skip():
 
 
 def test_asyncio_strict_mode_module_level_skip(pytester: Pytester):
+    pytester.makeini("[pytest]\nasyncio_default_fixture_loop_scope = function")
     pytester.makepyfile(
         dedent(
             """\
@@ -57,6 +60,7 @@ async def test_is_skipped():
 
 
 def test_asyncio_auto_mode_module_level_skip(pytester: Pytester):
+    pytester.makeini("[pytest]\nasyncio_default_fixture_loop_scope = function")
     pytester.makepyfile(
         dedent(
             """\
@@ -74,6 +78,7 @@ async def test_is_skipped():
 
 
 def test_asyncio_auto_mode_wrong_skip_usage(pytester: Pytester):
+    pytester.makeini("[pytest]\nasyncio_default_fixture_loop_scope = function")
     pytester.makepyfile(
         dedent(
             """\
@@ -91,6 +96,7 @@ async def test_is_skipped():
 
 
 def test_unittest_skiptest_compatibility(pytester: Pytester):
+    pytester.makeini("[pytest]\nasyncio_default_fixture_loop_scope = function")
     pytester.makepyfile(
         dedent(
             """\
@@ -108,6 +114,7 @@ async def test_is_skipped():
 
 
 def test_skip_in_module_does_not_skip_package(pytester: Pytester):
+    pytester.makeini("[pytest]\nasyncio_default_fixture_loop_scope = function")
     pytester.makepyfile(
         __init__="",
         test_skip=dedent(