Extract AutoHCK::Project#create_timestamp into a helper

Signed-off-by: Vitalii Chulak <[email protected]>

lib/auxiliary/time_helper.rb

@@ -26,7 +26,7 @@ def time_diff(start, finish)
     end
 
     def timestamp
-      Time.now.strftime('%Y%m%d%H%M%S')
+      Time.now.strftime('%Y_%m_%d_%H_%M_%S')
     end
   end
 end

lib/project.rb

@@ -11,6 +11,7 @@
 require './lib/auxiliary/json_helper'
 require './lib/auxiliary/id_gen'
 require './lib/auxiliary/extra_software/manager'
+require './lib/auxiliary/time_helper'
 
 # AutoHCK module
 module AutoHCK
@@ -113,7 +114,7 @@ def move_workspace_to(path)
 
     def init_class_variables
       @config = Json.read_json(CONFIG_JSON, @logger)
-      @timestamp = create_timestamp
+      @timestamp = timestamp
       @engine_type = @config["#{@options.mode}_engine"]
       @run_terminated = false
     end
@@ -187,10 +188,6 @@ def check_run_termination
       @github.handle_cancel
     end
 
-    def create_timestamp
-      Time.now.strftime('%Y_%m_%d_%H_%M_%S')
-    end
-
     def init_workspace
       @workspace_path = [@config['workspace_path'], @engine_type,
                          @config['setupmanager']].join('/')