Get backup test_safekeeper_normal_work, but skip by default.

It is handy for development.

test_runner/batch_others/test_wal_acceptor.py

@@ -18,6 +18,26 @@ from fixtures.log_helper import log
 from typing import List, Optional, Any
 
 
+# basic test, write something in setup with 3 wal acceptors, ensure that commits
+# succeed and data is written
+@pytest.mark.skip(reason="simple test for development")
+def test_safekeeper_normal_work(neon_env_builder: NeonEnvBuilder):
+    neon_env_builder.num_safekeepers = 3
+    env = neon_env_builder.init_start()
+
+    env.neon_cli.create_branch('test_safekeepers_normal_work')
+    pg = env.postgres.create_start('test_safekeepers_normal_work')
+
+    with closing(pg.connect()) as conn:
+        with conn.cursor() as cur:
+            # we rely upon autocommit after each statement
+            # as waiting for acceptors happens there
+            cur.execute('CREATE TABLE t(key int primary key, value text)')
+            cur.execute("INSERT INTO t SELECT generate_series(1,100000), 'payload'")
+            cur.execute('SELECT sum(key) FROM t')
+            assert cur.fetchone() == (5000050000, )
+
+
 @dataclass
 class TimelineMetrics:
     timeline_id: str