Remove get_user

Author: asavchkov

testgres/operations/remote_ops.py

@@ -50,8 +50,8 @@ def __init__(self, conn_params: ConnectionParams):
         else:
             self.ssh_cmd = []
         self.remote = True
-        self.username = conn_params.username or self.get_user()
-        self.ssh_dest = f"{self.username}@{self.host}" if self.username else "{self.host}"
+        self.username = conn_params.username
+        self.ssh_dest = f"{self.username}@{self.host}" if self.username else self.host
         self.add_known_host(self.host)
         self.tunnel_process = None
 
@@ -173,10 +173,6 @@ def set_env(self, var_name: str, var_val: str):
         """
         return self.exec_command("export {}={}".format(var_name, var_val))
 
-    # Get environment variables
-    def get_user(self):
-        return self.exec_command("echo $USER", encoding=get_default_encoding()).strip()
-
     def get_name(self):
         cmd = 'python3 -c "import os; print(os.name)"'
         return self.exec_command(cmd, encoding=get_default_encoding()).strip()