fix: resolve compilation errors in web_test.go

cmd/web_test.go

@@ -2,11 +2,15 @@ package cmd
 
 import (
 	"testing"
-	"net/url"
+	"strings"
 	"github.com/tnypxl/rollup/internal/config"
 	"github.com/tnypxl/rollup/internal/scraper"
 )
 
+var (
+	extractAndConvertContent func(string) (string, error)
+)
+
 func TestConvertPathOverrides(t *testing.T) {
 	configOverrides := []config.PathOverride{
 		{