refactor: Avoid running test_function_scope tests in subprocesses.

This should speed up the test suite and give more accurate test coverage numbers.

Author: seifertm

tests/markers/test_function_scope.py

@@ -87,7 +87,7 @@ async def test_warns():
             """
         )
     )
-    result = pytester.runpytest_subprocess("--asyncio-mode=strict")
+    result = pytester.runpytest("--asyncio-mode=strict", "--assert=plain")
     result.assert_outcomes(passed=1, warnings=1)
     result.stdout.fnmatch_lines("*DeprecationWarning*")
 
@@ -157,7 +157,7 @@ async def test_parametrized_loop():
             """
         )
     )
-    result = pytester.runpytest_subprocess("--asyncio-mode=strict")
+    result = pytester.runpytest("--asyncio-mode=strict")
     result.assert_outcomes(passed=2)
 
 
@@ -188,7 +188,7 @@ async def test_runs_is_same_loop_as_fixture(my_fixture):
             """
         )
     )
-    result = pytester.runpytest_subprocess("--asyncio-mode=strict")
+    result = pytester.runpytest("--asyncio-mode=strict")
     result.assert_outcomes(passed=1)
 
 
@@ -242,7 +242,7 @@ async def test_anything():
             """
         )
     )
-    result = pytester.runpytest_subprocess("--asyncio-mode=strict")
+    result = pytester.runpytest("--asyncio-mode=strict", "--assert=plain")
     result.assert_outcomes(warnings=0, passed=1)
 
 
@@ -274,5 +274,5 @@ async def test_markers_not_duplicated(request):
             """
         )
     )
-    result = pytester.runpytest_subprocess("--asyncio-mode=auto")
+    result = pytester.runpytest("--asyncio-mode=auto", "--assert=plain")
     result.assert_outcomes(warnings=0, passed=1)