Disable plugins that already run on normal tests when running integra…

…tion

conftest.py

@@ -24,6 +24,7 @@ def pytest_addoption(parser):
 def pytest_configure(config):
     config.addinivalue_line("markers", "integration: integration tests")
     config.addinivalue_line("markers", "uses_network: tests may try to download files")
+    _IntegrationTestSpeedups.disable_plugins_already_run(config)
 
 
 collect_ignore = [
@@ -47,9 +48,24 @@ def pytest_configure(config):
 
 @pytest.fixture(autouse=True)
 def _skip_integration(request):
-    running_integration_tests = request.config.getoption("--integration")
-    is_integration_test = request.node.get_closest_marker("integration")
-    if running_integration_tests and not is_integration_test:
-        pytest.skip("running integration tests only")
-    if not running_integration_tests and is_integration_test:
-        pytest.skip("skipping integration tests")
+    _IntegrationTestSpeedups.conditional_skip(request)
+
+
+class _IntegrationTestSpeedups:
+    """Speed-up integration tests by only running what does not run in other tests."""
+    RUNS_ON_NORMAL_TESTS = ("checkdocks", "cov", "mypy", "perf", "ruff")
+
+    @classmethod
+    def disable_plugins_already_run(cls, config):
+        if config.getoption("--integration"):
+            for plugin in cls.RUNS_ON_NORMAL_TESTS:  # no need to run again
+                config.pluginmanager.set_blocked(plugin)
+
+    @staticmethod
+    def conditional_skip(request):
+        running_integration_tests = request.config.getoption("--integration")
+        is_integration_test = request.node.get_closest_marker("integration")
+        if running_integration_tests and not is_integration_test:
+            pytest.skip("running integration tests only")
+        if not running_integration_tests and is_integration_test:
+            pytest.skip("skipping integration tests")