diff --git a/config/user_agent_list_test.go b/config/user_agent_list_test.go
new file mode 100644
index 0000000..7391d14
--- /dev/null
+++ b/config/user_agent_list_test.go
@@ -0,0 +1,30 @@
+package config
+
+import (
+	"testing"
+)
+
+func TestGetRandomUserAgent(t *testing.T) {
+	// Test that the function returns a non-empty string
+	ua := GetRandomUserAgent()
+	if ua == "" {
+		t.Error("GetRandomUserAgent returned an empty string")
+	}
+
+	// Test that the returned user agent is in the list
+	found := false
+	for _, builtinUA := range BuiltinUserAgentList {
+		if ua == builtinUA {
+			found = true
+			break
+		}
+	}
+	if !found {
+		t.Error("GetRandomUserAgent returned a user agent not in BuiltinUserAgentList")
+	}
+
+	// Test that BuiltinUserAgentList is not empty
+	if len(BuiltinUserAgentList) == 0 {
+		t.Error("BuiltinUserAgentList is empty")
+	}
+}