Clean up transform tests

diff --git a/sparse_strips/vello_sparse_tests/snapshots/glyphs_decoration_size_values.png b/sparse_strips/vello_sparse_tests/snapshots/glyphs_decoration_size_values.png
index 7d57a1f..af0cbe1 100644
--- a/sparse_strips/vello_sparse_tests/snapshots/glyphs_decoration_size_values.png
+++ b/sparse_strips/vello_sparse_tests/snapshots/glyphs_decoration_size_values.png

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:8fd70e2089e7562abdcdb4d0d88f0931bbd4f98d547941addb103136b378dc60
-size 2352
+oid sha256:17a9892e18a07c7a0ff865f1e9cd8fd79401cf1e1b7a22c51d317c3088993066
+size 2351

diff --git a/sparse_strips/vello_sparse_tests/snapshots/glyphs_decoration_transformed.png b/sparse_strips/vello_sparse_tests/snapshots/glyphs_decoration_transformed.png
index 1ea3451..455c88b 100644
--- a/sparse_strips/vello_sparse_tests/snapshots/glyphs_decoration_transformed.png
+++ b/sparse_strips/vello_sparse_tests/snapshots/glyphs_decoration_transformed.png

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:f4a214f5451377e93fd63fe756c99c3ebcae9831a744f89489efb4b559b2c777
-size 1297
+oid sha256:0843b0a86a5d2ed04dcd96f0a75d903667867493d7afa38c2e2ce3be89e81785
+size 2454

diff --git a/sparse_strips/vello_sparse_tests/snapshots/glyphs_decoration_transformed_cached.png b/sparse_strips/vello_sparse_tests/snapshots/glyphs_decoration_transformed_cached.png
index 14e9504..b3e4ccc 100644
--- a/sparse_strips/vello_sparse_tests/snapshots/glyphs_decoration_transformed_cached.png
+++ b/sparse_strips/vello_sparse_tests/snapshots/glyphs_decoration_transformed_cached.png

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:2daa5f3388c0d72d328ddb5d5bb11b25020551a7bc6afb7f8f13a59c384385a9
-size 1326
+oid sha256:a4fa52cdf7e82edefd4ed64f80f94c27655962b69641de98a7c10b06970a064c
+size 2450

diff --git a/sparse_strips/vello_sparse_tests/tests/glyph.rs b/sparse_strips/vello_sparse_tests/tests/glyph.rs
index 55614a1..0369e10 100644
--- a/sparse_strips/vello_sparse_tests/tests/glyph.rs
+++ b/sparse_strips/vello_sparse_tests/tests/glyph.rs

@@ -872,24 +872,27 @@
     render_decorated_text(ctx, "HELLO", 50.0, enable_caching, None, -2.0, 2.0, 1.5);
 }
 
-#[vello_test(width = 150, height = 100, glyph, hybrid_tolerance = 1)]
+#[vello_test(width = 100, height = 150, glyph, hybrid_tolerance = 1)]
 fn glyphs_decoration_transformed(ctx: &mut impl Renderer, enable_caching: bool) {
-    let text = "Hpjy";
-    let rows: [(Affine, f32, Option<Affine>); 3] = [
-        // Run-level scale absorbs into font_size
-        (Affine::scale(20.0), 1.0, None),
+    let text = "Happy";
+    let rows: [(Affine, f32, Option<Affine>, f64); 4] = [
+        // Run-level scale absorbs into font_size and underline scaled.
+        (Affine::scale(2.0), 12.0, None, 30.0),
         // Glyph-level scale (affects skip-ink outline transform)
-        (Affine::IDENTITY, 10.0, Some(Affine::scale(2.0))),
+        (Affine::IDENTITY, 10.0, Some(Affine::scale(1.2)), 40.0),
         // Y-flip (decoration should appear above the flipped text)
         (
             Affine::scale_non_uniform(1.0, -1.0) * Affine::translate((0.0, 20.0)),
             20.0,
             None,
+            10.0,
         ),
+        // Rotated text
+        (Affine::rotate(f64::from(FRAC_PI_4)), 12.0, None, 40.0),
     ];
 
-    let mut y = 28.35;
-    for (run_transform, font_size, glyph_transform) in rows {
+    let mut y = 30.0;
+    for (run_transform, font_size, glyph_transform, buffer) in rows {
         ctx.set_transform(Affine::translate((16.0, y)) * run_transform);
         render_decorated_text(
             ctx,
@@ -901,6 +904,6 @@
             1.0,
             1.0,
         );
-        y += 30.0;
+        y += buffer;
     }
 }