Create tests for StandardToken

contracts/test-helpers/StandardTokenMock.sol

@@ -0,0 +1,11 @@
+pragma solidity ^0.4.0;
+import '../StandardToken.sol';
+
+// mock class using StandardToken
+contract StandardTokenMock is StandardToken {
+
+  function StandardTokenMock(address initialAccount, uint initialBalance) {
+    balances[initialAccount] = initialBalance;
+  }
+
+}