This is a revert of upstream commit 0a576fc822a3 ("Try again to fix ci").

Without the patch, the tests fail on my amd64 system with harfbuzz-4.3.0.

diff --git b/tests/layouts/valid-20.layout a/tests/layouts/valid-20.layout
index db692b73..5b2bcf15 100644
--- b/tests/layouts/valid-20.layout
+++ a/tests/layouts/valid-20.layout
@@ -40,7 +40,7 @@
     "is-wrapped" : false,
     "is-ellipsized" : false,
     "unknown-glyphs" : 0,
-    "width" : 67584,
+    "width" : 76800,
     "height" : 25600,
     "log-attrs" : [
       {
@@ -138,7 +138,7 @@
             "glyphs" : [
               {
                 "glyph" : 244,
-                "width" : 15360,
+                "width" : 18432,
                 "x-offset" : 14764,
                 "y-offset" : 3845,
                 "is-cluster-start" : true,
@@ -146,7 +146,7 @@
               },
               {
                 "glyph" : 272,
-                "width" : 15360,
+                "width" : 18432,
                 "x-offset" : 14764,
                 "y-offset" : 4280,
                 "is-cluster-start" : true,
@@ -154,7 +154,7 @@
               },
               {
                 "glyph" : 273,
-                "width" : 15360,
+                "width" : 18432,
                 "x-offset" : 14764,
                 "y-offset" : 3507,
                 "is-cluster-start" : true,
-- 
2.35.1