check returned err

Author: ceyonur

go.mod

@@ -7,6 +7,7 @@ require (
 	github.com/ava-labs/subnet-evm v0.5.3
 	github.com/onsi/ginkgo/v2 v2.8.1
 	github.com/onsi/gomega v1.26.0
+	github.com/stretchr/testify v1.8.3
 )
 
 require (
@@ -87,7 +88,6 @@ require (
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/spf13/viper v1.12.0 // indirect
 	github.com/status-im/keycard-go v0.2.0 // indirect
-	github.com/stretchr/testify v1.8.3 // indirect
 	github.com/subosito/gotenv v1.3.0 // indirect
 	github.com/supranational/blst v0.3.11-0.20220920110316-f72618070295 // indirect
 	github.com/syndtr/goleveldb v1.0.1-0.20220614013038-64ee5596c38a // indirect

tests/precompile/precompile_test.go

@@ -9,6 +9,7 @@ import (
 
 	ginkgo "github.com/onsi/ginkgo/v2"
 	"github.com/onsi/gomega"
+	"github.com/stretchr/testify/require"
 
 	// Import the solidity package, so that ginkgo maps out the tests declared within the package
 	_ "github.com/ava-labs/precompile-evm/tests/precompile/solidity"
@@ -17,7 +18,8 @@ import (
 
 func TestE2E(t *testing.T) {
 	if basePath := os.Getenv("TEST_SOURCE_ROOT"); basePath != "" {
-		os.Chdir(basePath)
+		err := os.Chdir(basePath)
+		require.NoError(t, err)
 	}
 	gomega.RegisterFailHandler(ginkgo.Fail)
 	solidity.RegisterAsyncTests()