Let's try on windows

And it seems mermaid works

Author: cderv

dev-docs/feature-format-matrix/qmd-files/crossref/float/custom/document.qmd

@@ -10,7 +10,7 @@ format:
 _quarto:
   tests:
     run:
-      ci: false 
+      not_os: [linux] 
 ---
 
 ::: {#dia-1}

dev-docs/feature-format-matrix/qmd-files/mermaid/document.qmd

@@ -5,7 +5,7 @@ format:
 _quarto:
   tests:
     run:
-      ci: false 
+      not_os: [linux] 
 ---
 
 ::: {.content-visible when-format="docusaurus-md"}