--- a/tests/test-install.t	Sun Nov 20 16:56:21 2016 -0800
+++ b/tests/test-install.t	Sat Nov 19 10:54:21 2016 -0800
@@ -11,6 +11,8 @@
   checking Mercurial custom build (*) (glob)
   checking module policy (*) (glob)
   checking installed modules (*mercurial)... (glob)
+  checking registered compression engines (*zlib*) (glob)
+  checking available compression engines (*zlib*) (glob)
   checking templates (*mercurial?templates)... (glob)
   checking default template (*mercurial?templates?map-cmdline.default) (glob)
   checking commit editor... (* -c "import sys; sys.exit(0)") (glob)
@@ -21,6 +23,8 @@
   $ hg debuginstall -Tjson | sed 's|\\\\|\\|g'
   [
    {
+    "compengines": ["bz2", "bz2truncated", "none", "zlib"*], (glob)
+    "compenginesavail": ["bz2", "bz2truncated", "none", "zlib"*], (glob)
     "defaulttemplate": "*mercurial?templates?map-cmdline.default", (glob)
     "defaulttemplateerror": null,
     "defaulttemplatenotfound": "default",
@@ -58,6 +62,8 @@
   checking Mercurial custom build (*) (glob)
   checking module policy (*) (glob)
   checking installed modules (*mercurial)... (glob)
+  checking registered compression engines (*zlib*) (glob)
+  checking available compression engines (*zlib*) (glob)
   checking templates (*mercurial?templates)... (glob)
   checking default template (*mercurial?templates?map-cmdline.default) (glob)
   checking commit editor... (* -c "import sys; sys.exit(0)") (glob)
@@ -85,6 +91,8 @@
   checking Mercurial custom build (*) (glob)
   checking module policy (*) (glob)
   checking installed modules (*mercurial)... (glob)
+  checking registered compression engines (*zlib*) (glob)
+  checking available compression engines (*zlib*) (glob)
   checking templates (*mercurial?templates)... (glob)
   checking default template (*mercurial?templates?map-cmdline.default) (glob)
   checking commit editor... (* -c "import sys; sys.exit(0)") (glob)