text: module.exports = (web3, increase) => {
      return new Promise((resolve, reject) => {
          web3.currentProvider.send({
              jsonrpc: '2.0', 
              method: 'evm_increaseTime', 
              params: [increase], 
              id: new Date().getSeconds()
          }, (err) => {
              if (err) return reject(err);
              web3.currentProvider.send({
                  jsonrpc: '2.0', 
                  method: 'evm_mine', 
                  params: [], 
                  id: new Date().getSeconds()
              }, (err, response) => {
                  if (err) return reject(err);
                  return resolve(response);
              });
          })
      })
  };
  