Fix early return in protocol_test.go (iotexproject#1044)

Author: dustinxie

action/protocol/execution/protocol_test.go

@@ -366,7 +366,6 @@ func (sct *SmartContractTest) run(r *require.Assertions) {
 			} else {
 				r.Equal(expected, retval)
 			}
-			return
 		}
 		for _, expectedBalance := range exec.ExpectedBalances {
 			account := expectedBalance.Account

action/protocol/execution/testdata/infiniteloop.json

@@ -50,7 +50,7 @@
         "failed": true,
         "expectedBalances": [{
             "account": "io1mflp9m6hcgm2qcghchsdqj3z3eccrnekx9p0ms",
-            "rawBalance": "9999999999994778137"
+            "rawBalance": "9999999999994768135"
         }],
         "comment": "calling infinite(), this will consume all provided gas, and exit with failure"
     }]