[librsvg: 5/7] test_svg_reference: declare all the imports here so users don't have to

[Marge Bot <marge-bot src gnome org>]

commit f4a1d6e64a189734c4a1044979cbe6378710374e
Author: Federico Mena Quintero <federico gnome org>
Date:   Fri Mar 4 20:33:36 2022 -0600

    test_svg_reference: declare all the imports here so users don't have to
    
    Part-of: <https://gitlab.gnome.org/GNOME/librsvg/-/merge_requests/670>

 tests/src/reference_utils.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/tests/src/reference_utils.rs b/tests/src/reference_utils.rs
index 0b56f540f..69810e0de 100644
--- a/tests/src/reference_utils.rs
+++ b/tests/src/reference_utils.rs
@@ -245,7 +245,9 @@ macro_rules! test_svg_reference {
     ($test_name:ident, $test_filename:expr, $reference_filename:expr) => {
         #[test]
         fn $test_name() {
-            use crate::utils::setup_font_map;
+            use crate::reference_utils::{Compare, Evaluate, Reference};
+            use crate::utils::{render_document, setup_font_map, SurfaceSize};
+            use cairo;
             use librsvg::{CairoRenderer, Loader};
 
             setup_font_map();