Fix flaky pageserver restarts in tests (#2261)

test_runner/batch_others/test_setup.py

@@ -0,0 +1,17 @@
+"""Tests for the code in test fixtures"""
+
+from fixtures.neon_fixtures import NeonEnvBuilder
+
+
+# Test that pageserver and safekeeper can restart quickly.
+# This is a regression test, see https://github.com/neondatabase/neon/issues/2247
+def test_fixture_restart(neon_env_builder: NeonEnvBuilder):
+    env = neon_env_builder.init_start()
+
+    for i in range(3):
+        env.pageserver.stop()
+        env.pageserver.start()
+
+    for i in range(3):
+        env.safekeepers[0].stop()
+        env.safekeepers[0].start()