Add isoscope parametrization to generic acceptance tests test_single_file and test_multi_file.

Author: vkruglik-aka

testing/acceptance_test.py

@@ -1513,15 +1513,17 @@ def test_c(self):
     """ + ((_test_content * 4) % ("A", "B", "C", "D"))
 
     @pytest.mark.parametrize(
-        "scope", ["each", "load", "loadscope", "loadfile", "worksteal", "no"]
+        "scope", ["each", "isoscope", "load", "loadscope", "loadfile",
+                  "worksteal", "no"]
     )
     def test_single_file(self, pytester: pytest.Pytester, scope: str) -> None:
         pytester.makepyfile(test_a=self.test_file1)
         result = pytester.runpytest("-n2", "--dist=%s" % scope, "-v")
         result.assert_outcomes(passed=(12 if scope != "each" else 12 * 2))
 
     @pytest.mark.parametrize(
-        "scope", ["each", "load", "loadscope", "loadfile", "worksteal", "no"]
+        "scope", ["each", "isoscope", "load", "loadscope", "loadfile",
+                  "worksteal", "no"]
     )
     def test_multi_file(self, pytester: pytest.Pytester, scope: str) -> None:
         pytester.makepyfile(