Add example conftest (#150)

Author: hoxbro

examples/conftest.py

@@ -0,0 +1,23 @@
+def pytest_runtest_makereport(item, call):
+    """
+    Skip tests that fail because "the kernel died before replying to kernel_info"
+    this is a common error when running the example tests in CI.
+
+    Inspired from: https://stackoverflow.com/questions/32451811
+
+    """
+    from _pytest.runner import pytest_runtest_makereport
+
+    tr = pytest_runtest_makereport(item, call)
+
+    if call.excinfo is not None:
+        msgs = [
+            "Kernel died before replying to kernel_info",
+            "Kernel didn't respond in 60 seconds",
+        ]
+        for msg in msgs:
+            if call.excinfo.type is RuntimeError and call.excinfo.value.args[0] in msg:
+                tr.outcome = "skipped"
+                tr.wasxfail = f"reason: {msg}"
+
+    return tr