Update establish_ssh_tunnel

Author: vshepard

Diff for: testgres/operations/remote_ops.py

@@ -413,7 +413,7 @@ def db_connect(self, dbname, user, password=None, host="localhost", port=5432):
         self.establish_ssh_tunnel(local_port=local_port, remote_port=port)
         try:
             conn = pglib.connect(
-                host=host,
+                host='localhost',
                 port=local_port,
                 database=dbname,
                 user=user,
@@ -423,7 +423,7 @@ def db_connect(self, dbname, user, password=None, host="localhost", port=5432):
             print("Database connection established successfully.")
             return conn
         except Exception as e:
-            print(f"Error connecting to the database: {str(e)}")
+            print(f"!!!Error connecting to the database: {str(e)}")
             if self.tunnel_process:
                 self.tunnel_process.terminate()
                 print("SSH tunnel closed due to connection failure.")