Use fixture instead of yield_fixture

The old @pytest.yield_fixture causes
a deprecation warning:
Use @pytest.fixture instead; they are the same.
    def records():

23-dyn-attr-prop/oscon/test_schedule_v1.py

@@ -3,7 +3,7 @@ import pytest
 import schedule_v1 as schedule
 
 
-@pytest.yield_fixture
+@pytest.fixture
 def records():
     yield schedule.load(schedule.JSON_PATH)
 

23-dyn-attr-prop/oscon/test_schedule_v2.py

@@ -2,7 +2,7 @@ import pytest
 
 import schedule_v2 as schedule
 
-@pytest.yield_fixture
+@pytest.fixture
 def records():
     yield schedule.load(schedule.JSON_PATH)
 

23-dyn-attr-prop/oscon/test_schedule_v3.py

@@ -2,7 +2,7 @@ import pytest
 
 import schedule_v3 as schedule
 
-@pytest.yield_fixture
+@pytest.fixture
 def records():
     yield schedule.load(schedule.JSON_PATH)
 

23-dyn-attr-prop/oscon/test_schedule_v4.py

@@ -2,7 +2,7 @@ import pytest
 
 import schedule_v4 as schedule
 
-@pytest.yield_fixture
+@pytest.fixture
 def records():
     yield schedule.load(schedule.JSON_PATH)
 

23-dyn-attr-prop/oscon/test_schedule_v5.py

@@ -2,7 +2,7 @@ import pytest
 
 import schedule_v5 as schedule
 
-@pytest.yield_fixture
+@pytest.fixture
 def records():
     yield schedule.load(schedule.JSON_PATH)