Merge pull request #2 from ankhers/unnecessary_server

proper logic

Author: ankhers

lib/guard/go/runner.rb

@@ -10,7 +10,7 @@ class GoRunner
     def initialize(options)
       @options = options
 
-      unless @options[:test] && File.exists?(@options[:server])
+      unless @options[:test] || File.exists?(@options[:server])
         raise "Server file not found. Check your :server option in your Guardfile."
       end
     end