Issue #10914: Add a minimal embedding test to test_capi.
diff --git a/.hgignore b/.hgignore
index 70aca54..e5e149f 100644
--- a/.hgignore
+++ b/.hgignore
@@ -64,3 +64,4 @@
 PCbuild/*.bsc
 PCbuild/Win32-temp-*
 __pycache__
+Modules/_testembed