Fix xpass tests incorrectly being recognized as passes

src/pytest_run_parallel/plugin.py

@@ -312,7 +312,9 @@ def pytest_report_collectionfinish(self, config, start_path, items):
     @pytest.hookimpl(tryfirst=True, wrapper=True)
     def pytest_report_teststatus(self, report, config):
         outcome = yield
-        if getattr(report, "when", None) != "call":
+        if getattr(report, "when", None) != "call" or getattr(
+            report, "keywords", {}
+        ).get("xfail", None):
             return outcome
 
         if report.nodeid in self.run_in_parallel:

tests/test_run_parallel.py

@@ -987,3 +987,15 @@ def test_forever_without_selected_tests(pytester):
             "*Test collection found zero tests when passing --forever. Are you sure you searched for the correct tests?*"
         ]
     )
+
+
+def test_xpass_not_treated_as_pass(pytester):
+    pytester.makepyfile("""
+    import pytest
+
+    @pytest.mark.xfail
+    def test_xpass():
+        assert True
+    """)
+    result = pytester.runpytest("--parallel-threads=10", "-v")
+    result.stdout.fnmatch_lines(["*xpassed in*"])