fix remaining tests in standalone contracts

contracts/lifecycle/Pausable.sol

@@ -14,6 +14,8 @@ contract Pausable is Initializable, PauserRole {
     bool private _paused;
 
     function initialize(address sender) public initializer {
+        PauserRole._initialize(sender);
+
         _paused = false;
     }
 

contracts/token/ERC20/StandaloneERC20.sol

@@ -44,10 +44,10 @@ contract StandaloneERC20 is Initializable, ERC20Detailed, ERC20Mintable, ERC20Pa
         ERC20Detailed.initialize(name, symbol, decimals);
 
         // Initialize the minter and pauser roles, and renounce them
-        ERC20Mintable.initialize(address(this));
+        ERC20Mintable.initialize(msg.sender);
         renounceMinter();
 
-        ERC20Pausable.initialize(address(this));
+        ERC20Pausable.initialize(msg.sender);
         renouncePauser();
 
         // Add the requested minters and pausers (this can be done after renouncing since

test/token/ERC20/StandaloneERC20.test.js

@@ -1,6 +1,6 @@
 const encodeCall = require('zos-lib/lib/helpers/encodeCall').default;
 const { shouldBehaveLikeERC20Mintable } = require('./behaviors/ERC20Mintable.behavior');
-const { shouldFail } = require('../../helpers/shouldFail');
+const shouldFail = require('../../helpers/shouldFail');
 
 const BigNumber = web3.BigNumber;