Running tests.ptrack.PtrackTest.test_horizon_lsn_ptrack now depends on PGPROBACKUPBIN_OLD

Author: kulaginm

tests/ptrack.py

@@ -4441,11 +4441,14 @@ def test_corrupt_ptrack_map(self):
 # Clean after yourself
 self.del_test_dir(module_name, self.fname)
 
-# @unittest.skip("skip")
+# @unittest.skip("skip")
 def test_horizon_lsn_ptrack(self):
 """
 https://.com/postgrespro/pg_probackup/pull/386
 """
+if not self.probackup_old_path:
+self.skipTest("You must specify PGPROBACKUPBIN_OLD"
+" for run this test")
 self.assertLessEqual(
 self.version_to_num(self.old_probackup_version),
 self.version_to_num('2.4.15'),