use web3 utils function instead

lib/tests/test.js

@@ -61,39 +61,6 @@ class Test {
     this.engine.startService("codeGenerator");
   }
 
-  // eslint-disable-next-line complexity
-  getMutliplicator(keyword) {
-    switch (keyword.toLowerCase()) {
-      case 'wei': return 1;
-      case 'ether':
-      case 'eth': return 1000000000000000000;
-      case 'finney':
-      case 'milli':
-      case 'milliether': return 1000000000000000;
-      case 'szabo':
-      case 'microether,':
-      case 'micro':  return 1000000000000;
-      case 'gwei':
-      case 'nanoether':
-      case 'shannon':
-      case 'nano': return 1000000000;
-      case 'mwei':
-      case 'babbage':
-      case 'picoether': return 1000000;
-      case 'kwei':
-      case 'ada':
-      case 'femtoether': return 1000;
-      case 'kether':
-      case 'grand':
-      case 'einstein': return 1000000000000000000000;
-      case 'mether': return 1000000000000000000000000;
-      case 'gether': return 1000000000000000000000000000;
-      case 'tether': return 1000000000000000000000000000000;
-      default: console.warn('\n' + __(`Unrecognised keyword ${keyword} in balance. Will assume Wei`).yellow);
-        return 1;
-    }
-  }
-
   getBalance(balanceString) {
     if (!balanceString) {
       return 0xFFFFFFFFFFFFFFFFFF;
@@ -106,7 +73,7 @@ class Test {
       return this.web3.utils.toHex(parseInt(match[1], 10));
     }
 
-    return this.web3.utils.toHex(parseInt(match[1], 10) * this.getMutliplicator(match[2]));
+    return this.web3.utils.toHex(this.web3.utils.toWei(match[1], match[2]));
   }
 
   initWeb3Provider() {