Do not use magic config file in integration tests

src/lib/integration_test_local_engine/docker_node_config.ml

@@ -81,10 +81,19 @@ module Base_node_config = struct
 
   let container_libp2p_key_path = container_keys_path ^ "/libp2p_key"
 
-  let entrypoint_script =
+  let magic_config_file commit_id =
+    Printf.sprintf "/var/lib/coda/config_%s.json" commit_id
+
+  let entrypoint_script commit_id =
     ( "entrypoint.sh"
     , {|#!/bin/bash
   # This file is auto-generated by the local integration test framework.
+  #
+  # Removes magic config file which is loaded by default when daemon is starting.
+  # It can influence final config file, so we need to remove it before starting process
+  rm -f |}
+      ^ magic_config_file commit_id
+      ^ {|
   # Path to the libp2p_key file
   LIBP2P_KEY_PATH="|}
       ^ container_libp2p_key_path

src/lib/integration_test_local_engine/mina_docker.ml

@@ -43,6 +43,7 @@ module Network_config = struct
                  map )] )
     ; constants : Test_config.constants
     ; docker : docker_config
+    ; commit_id : string
     }
   [@@deriving to_yojson]
 
@@ -543,6 +544,7 @@ module Network_config = struct
     { debug_arg = debug
     ; genesis_keypairs
     ; constants
+    ; commit_id = git_commit
     ; docker =
         { docker_swarm_version
         ; stack_name
@@ -730,6 +732,7 @@ module Network_manager = struct
        context)" ;
     let entrypoint_filename, entrypoint_script =
       Docker_node_config.Base_node_config.entrypoint_script
+        network_config.commit_id
     in
     Out_channel.with_file ~fail_if_exists:true
       (docker_dir ^/ entrypoint_filename) ~f:(fun ch ->