diff --git a/tests/test-install.t b/tests/test-install.t
--- a/tests/test-install.t
+++ b/tests/test-install.t
@@ -2,7 +2,8 @@ hg debuginstall
   $ hg debuginstall
   checking encoding (ascii)...
   checking Python executable (*) (glob)
-  checking Python version (2.*) (glob)
+  checking Python version (2.*) (glob) (no-py3 !)
+  checking Python version (3.*) (glob) (py3 !)
   checking Python lib (*lib*)... (glob)
   checking Python security support (*) (glob)
     TLS 1.2 not supported by Python install; network connections lack modern security (?)
@@ -57,7 +58,8 @@ hg debuginstall with no username
   $ HGUSER= hg debuginstall
   checking encoding (ascii)...
   checking Python executable (*) (glob)
-  checking Python version (2.*) (glob)
+  checking Python version (2.*) (glob) (no-py3 !)
+  checking Python version (3.*) (glob) (py3 !)
   checking Python lib (*lib*)... (glob)
   checking Python security support (*) (glob)
     TLS 1.2 not supported by Python install; network connections lack modern security (?)
@@ -101,7 +103,8 @@ path variables are expanded (~ is the sa
   $ HGEDITOR="~/tools/testeditor.exe" hg debuginstall
   checking encoding (ascii)...
   checking Python executable (*) (glob)
-  checking Python version (*) (glob)
+  checking Python version (2.*) (glob) (no-py3 !)
+  checking Python version (3.*) (glob) (py3 !)
   checking Python lib (*lib*)... (glob)
   checking Python security support (*) (glob)
     TLS 1.2 not supported by Python install; network connections lack modern security (?)
@@ -125,7 +128,8 @@ not found (this is intentionally using b
   $ HGEDITOR="c:\foo\bar\baz.exe -y -z" hg debuginstall
   checking encoding (ascii)...
   checking Python executable (*) (glob)
-  checking Python version (*) (glob)
+  checking Python version (2.*) (glob) (no-py3 !)
+  checking Python version (3.*) (glob) (py3 !)
   checking Python lib (*lib*)... (glob)
   checking Python security support (*) (glob)
     TLS 1.2 not supported by Python install; network connections lack modern security (?)
@@ -240,7 +244,8 @@ since it's bin on most platforms but Scr
   $ ./installenv/*/hg debuginstall || cat pip.log
   checking encoding (ascii)...
   checking Python executable (*) (glob)
-  checking Python version (2.*) (glob)
+  checking Python version (2.*) (glob) (no-py3 !)
+  checking Python version (3.*) (glob) (py3 !)
   checking Python lib (*)... (glob)
   checking Python security support (*) (glob)
     TLS 1.2 not supported by Python install; network connections lack modern security (?)