Add the right token contract

contracts/Token.sol

 pragma solidity ^0.5.4;
 
-import "openzeppelin-solidity/contracts/token/ERC20/ERC20.sol";
-import "openzeppelin-solidity/contracts/access/roles/MinterRole.sol";
+import "openzeppelin-solidity/contracts/token/ERC20/ERC20Mintable.sol";
 
 /**
- * @title ERC20Mintable
- * @dev ERC20 minting logic
+ * @title ERC-20 Mintable Token
+ * @dev Implements a currency in the Caelum network
  */
-contract Token is ERC20, MinterRole {
+contract Token is ERC20Mintable {
+    string public symbol = "";
+    uint8 public decimals = 0;
+
     /**
-     * @dev Function to mint tokens
-     * @param to The address that will receive the minted tokens.
-     * @param value The amount of tokens to mint.
-     * @return A boolean that indicates if the operation was successful.
+     * @dev Constructor
+     * @param _to The address that will receive the minted tokens.
+     * @param _supply The number of tokens to mint.
+     * @param _symbol The token symbol.
+     * @param _decimals The number of decimal points
      */
-    function mint(address to, uint256 value) public onlyMinter returns (bool) {
-        _mint(to, value);
-        return true;
+    constructor(address _to, uint _supply, string memory _symbol, uint8 _decimals) public {
+        symbol = _symbol;
+        decimals = _decimals;
+        mint(_to, _supply);
     }
 }

test/Token.js

+const Token = artifacts.require('./contracts/Token.sol')
+const expect = require('chai').expect
+
+contract('Token', (accounts) => {
+  let token
+  it('constructor', async () => {
+    token = await Token.new(accounts[1], '1000000', 'XYZ', '18', { from: accounts[0] })
+  })
+
+  it('mint', async () => {
+    await token.mint(accounts[2], '10000', { from: accounts[0] })
+  })
+})