fix: chromium memory leaks (#705)

pkg/modules/chromium/mocks_test.go

@@ -0,0 +1,34 @@
+package chromium
+
+import (
+	"context"
+	"testing"
+
+	"go.uber.org/zap"
+)
+
+func TestApiMock(t *testing.T) {
+	mock := &ApiMock{
+		PdfMock: func(ctx context.Context, logger *zap.Logger, url, outputPath string, options Options) error {
+			return nil
+		},
+	}
+
+	err := mock.Pdf(context.Background(), zap.NewNop(), "", "", Options{})
+	if err != nil {
+		t.Errorf("expected no error from ApiMock.Pdf, but got: %v", err)
+	}
+}
+
+func TestBrowserMock(t *testing.T) {
+	mock := &browserMock{
+		pdfMock: func(ctx context.Context, logger *zap.Logger, url, outputPath string, options Options) error {
+			return nil
+		},
+	}
+
+	err := mock.pdf(context.Background(), zap.NewNop(), "", "", Options{})
+	if err != nil {
+		t.Errorf("expected no error from browserMock.pdf, but got: %v", err)
+	}
+}