updated contract and test fix

Author: vinay035

contracts/Attestation.sol

@@ -2,7 +2,7 @@ pragma solidity ^0.4.19;
 
 contract Attestation {
 
-    event Attest(string indexed _type,string _data);
+    event Attest(string _type,string _data);
 
     function write(string _type,string _data) public returns (bool) {
         Attest(_type,_data);

test/5_attestation.js

@@ -11,7 +11,7 @@ contract('Attestation', function(accounts) {
     });
 
     it("should write to blockchain", function() {
-        return attestationInstance.write('_entity1','_entity2','_type','_data').then(function(instance){
+        return attestationInstance.write('_type','_data').then(function(instance){
             assert.isDefined(instance,"should be able to write to blockchain")
         }).catch(function(error){
             assert.isUndefined(error,"should be able to write to blockchain")