test: rerun random URL connection test if need-be (ApeWorX#2373)

setup.py

@@ -16,6 +16,7 @@
         "pytest-cov>=4.0.0,<5",  # Coverage analyzer plugin
         "pytest-mock",  # For creating mocks
         "pytest-benchmark",  # For performance tests
+        "pytest-rerunfailures",  # For flakey tests
         "pytest-timeout>=2.2.0,<3",  # For avoiding timing out during tests
         "hypothesis>=6.2.0,<7.0",  # Strategy-based fuzzer
         "hypothesis-jsonschema==0.19.0",  # JSON Schema fuzzer extension

tests/functional/geth/test_network_manager.py

@@ -39,6 +39,8 @@ def test_fork_upstream_provider(networks, mock_geth_sepolia, geth_provider, mock
             del geth_provider.provider_settings["uri"]
 
 
+# NOTE: Test is flakey because random URLs may be offline when test runs; avoid CI failure.
+@pytest.mark.flaky(reruns=5)
 @geth_process_test
 @pytest.mark.parametrize(
     "connection_str", ("moonbeam:moonriver", "https://moonriver.api.onfinality.io/public")