Add probackup_path to ProbackupApp

pg_probackup2/app.py

Author: vshepard

testgres/plugins/pg_probackup2/pg_probackup2/app.py

@@ -43,14 +43,14 @@ def __str__(self):
 class ProbackupApp:
 
     def __init__(self, test_class: unittest.TestCase,
-                 pg_node, pb_log_path, test_env, auto_compress_alg, backup_dir):
+                 pg_node, pb_log_path, test_env, auto_compress_alg, backup_dir, probackup_path):
         self.test_class = test_class
         self.pg_node = pg_node
         self.pb_log_path = pb_log_path
         self.test_env = test_env
         self.auto_compress_alg = auto_compress_alg
         self.backup_dir = backup_dir
-        self.probackup_path = init_params.probackup_path
+        self.probackup_path = probackup_path if probackup_path else init_params.probackup_path
         self.probackup_old_path = init_params.probackup_old_path
         self.remote = init_params.remote
         self.verbose = init_params.verbose