[chore][pkg/stanza/adapter] Enable goleak check (open-telemetry#30969)

Author: crobert-1

pkg/stanza/adapter/integration_test.go

@@ -110,6 +110,7 @@ func TestEmitterToConsumer(t *testing.T) {
 
 	err = logsReceiver.Start(context.Background(), componenttest.NewNopHost())
 	require.NoError(t, err)
+	defer func() { require.NoError(t, logsReceiver.Shutdown(context.Background())) }()
 
 	go func() {
 		ctx := context.Background()

pkg/stanza/adapter/package_test.go

@@ -0,0 +1,14 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+package adapter
+
+import (
+	"testing"
+
+	"go.uber.org/goleak"
+)
+
+func TestMain(m *testing.M) {
+	goleak.VerifyTestMain(m)
+}

pkg/stanza/adapter/storage_test.go

@@ -77,6 +77,7 @@ func TestFindCorrectStorageExtension(t *testing.T) {
 	err := r.Start(context.Background(), host)
 	require.NoError(t, err)
 	require.NotNil(t, r.storageClient)
+	defer func() { require.NoError(t, r.Shutdown(context.Background())) }()
 
 	clientCreatorID, err := storagetest.CreatorID(context.Background(), r.storageClient)
 	require.NoError(t, err)