diff --git a/FirstContract/tests/contract_test.go b/FirstContract/tests/contract_test.go
index 9c1b007..8abd6fd 100644
--- a/FirstContract/tests/contract_test.go
+++ b/FirstContract/tests/contract_test.go
@@ -6,7 +6,6 @@ import (
 	"path"
 	"testing"
 
-	"github.com/davecgh/go-spew/spew"
 	_ "github.com/nspcc-dev/neo-go/pkg/compiler"
 	"github.com/nspcc-dev/neo-go/pkg/neotest"
 	"github.com/nspcc-dev/neo-go/pkg/neotest/chain"
@@ -59,31 +58,23 @@ func TestContract_Add(t *testing.T) {
 	e := newExecutor(t)
 	ctrAdd := neotest.CompileFile(t, e.CommitteeHash, ctrPath, path.Join(ctrPath, "neo-go.yml"))
 	e.DeployContract(t, ctrAdd, nil)
-	spew.Dump(ctrAdd.Manifest)
+	inv := e.CommitteeInvoker(ctrAdd.Hash)
+	inv.Invoke(t, 3, "add", 1, 2)
 
 	govm := vm.New()
 	govm.LoadNEFMethod(ctrAdd.NEF, ctrAdd.Hash, ctrAdd.Hash, callflag.All, true, 170, -1, nil)
 	govm.Context().Estack().PushVal(1)
-	govm.Context().Estack().PushVal(3)
-	//fmt.Println(govm.Context().CurrInstr())
-	_, curInstr := govm.Context().CurrInstr()
-	//while curInstr != RET do
-	for curInstr != 0x40 {
-		fmt.Println(curInstr)
+	govm.Context().Estack().PushVal(2)
+
+	fmt.Println("\nPrinting opcodes:")
+	for !govm.HasStopped() {
+		nStr, curInstr := govm.Context().NextInstr()
+		fmt.Println(nStr, " ", curInstr)
 		govm.Step()
-		_, curInstr = govm.Context().CurrInstr()
 	}
-	fmt.Println(govm.Context().CurrInstr())
 
-	//govm.DumpEStack()
-	//govm.Run()
-	res := govm.Context().Estack().Pop().Value()
-	fmt.Println(res)
-
-	// manif, _ := json.MarshalIndent(ctrAdd.Manifest, "", " ")
-	// fmt.Println(string(manif))
-	inv := e.CommitteeInvoker(ctrAdd.Hash)
-	inv.Invoke(t, 3, "add", 1, 2)
+	res := govm.Estack().Pop().Value()
+	fmt.Println("\nresult = ", res)
 }
 
 func Test(t *testing.T) {
@@ -94,13 +85,10 @@ func Test(t *testing.T) {
 		t.FailNow()
 	}
 	govm.PrintOps(os.Stdout)
-	//step in a loop for debug
-	//
 	govm.Context().Jump(170)
 	govm.Context().Estack().PushVal(1)
 	govm.Context().Estack().PushVal(2)
-
 	govm.Run()
-	res := govm.Context().Estack().Pop().Value()
+	res := govm.Estack().Pop().Value()
 	fmt.Println(res)
 }