text: var requireUncached = require('./_utils/requireUncached');
  
  // Dependencies
  var vows = require('vows'),
      assert = require('assert'),
          path = require('path');
  
  // Change the configuration directory for testing
  process.env.NODE_CONFIG_DIR = __dirname + '/8-config';
  
  // Hard-code $NODE_ENV=test for testing
  delete process.env.NODE_ENV;
  
  // Test for multi-instance applications
  delete process.env.NODE_APP_INSTANCE;
  
  process.env.NODE_CONFIG_STRICT_MODE = false;
  
  var CONFIG = requireUncached(__dirname + '/../lib/config');
  
  
  vows.describe('Tests for config extending')
  .addBatch({
      'Extending a base configuration with another configuration': {
          'Extending a configuration with another configuration should work without error': function () {
  
              process.env.NODE_CONFIG_DIR = __dirname + '/8-config';
              var base_config = require(process.env.NODE_CONFIG_DIR + path.sep + 'base-config.json');
              CONFIG.util.attachProtoDeep(base_config);
  
              assert.doesNotThrow(function () {
                  result = CONFIG.util.extendDeep(base_config, CONFIG);
              }, 'Extending a configuration with another configuration has an error');
  
          }
      }
  })
  .export(module);