diff --git a/internal/testutil/offlinetest.go b/internal/testutil/offlinetest.go
new file mode 100644
index 0000000..476ade3
--- /dev/null
+++ b/internal/testutil/offlinetest.go
@@ -0,0 +1,11 @@
+// +build !online
+
+package testutil
+
+import (
+	"git.grassecon.net/urdt/ussd/internal/handlers/server"
+)
+
+var (
+	AccountService server.AccountServiceInterface = &server.TestAccountService{}
+)
diff --git a/internal/testutil/onlinetest.go b/internal/testutil/onlinetest.go
new file mode 100644
index 0000000..ddb5cf0
--- /dev/null
+++ b/internal/testutil/onlinetest.go
@@ -0,0 +1,9 @@
+// +build online
+
+package testutil
+
+import "git.grassecon.net/urdt/ussd/internal/handlers/server"
+
+var (
+	AccountService server.AccountServiceInterface
+)