diff --git a/tests/test-clone-uncompressed.t b/tests/test-clone-uncompressed.t
index 9d44c71bd892efb3a4407678d5bc77213861c159_dGVzdHMvdGVzdC1jbG9uZS11bmNvbXByZXNzZWQudA==..538e850ae73745c55bbb7da1ee3659c21a315688_dGVzdHMvdGVzdC1jbG9uZS11bmNvbXByZXNzZWQudA== 100644
--- a/tests/test-clone-uncompressed.t
+++ b/tests/test-clone-uncompressed.t
@@ -1,4 +1,4 @@
-#require serve no-reposimplestore
+#require serve no-reposimplestore no-chg
 
 #testcases stream-legacy stream-bundle2
 
diff --git a/tests/test-clonebundles.t b/tests/test-clonebundles.t
index 9d44c71bd892efb3a4407678d5bc77213861c159_dGVzdHMvdGVzdC1jbG9uZWJ1bmRsZXMudA==..538e850ae73745c55bbb7da1ee3659c21a315688_dGVzdHMvdGVzdC1jbG9uZWJ1bmRsZXMudA== 100644
--- a/tests/test-clonebundles.t
+++ b/tests/test-clonebundles.t
@@ -1,4 +1,4 @@
-#require no-reposimplestore
+#require no-reposimplestore no-chg
 
 Set up a server
 
diff --git a/tests/test-http-api-httpv2.t b/tests/test-http-api-httpv2.t
index 9d44c71bd892efb3a4407678d5bc77213861c159_dGVzdHMvdGVzdC1odHRwLWFwaS1odHRwdjIudA==..538e850ae73745c55bbb7da1ee3659c21a315688_dGVzdHMvdGVzdC1odHRwLWFwaS1odHRwdjIudA== 100644
--- a/tests/test-http-api-httpv2.t
+++ b/tests/test-http-api-httpv2.t
@@ -1,3 +1,5 @@
+#require no-chg
+
   $ . $TESTDIR/wireprotohelpers.sh
   $ enabledummycommands
 
diff --git a/tests/test-http-api.t b/tests/test-http-api.t
index 9d44c71bd892efb3a4407678d5bc77213861c159_dGVzdHMvdGVzdC1odHRwLWFwaS50..538e850ae73745c55bbb7da1ee3659c21a315688_dGVzdHMvdGVzdC1odHRwLWFwaS50 100644
--- a/tests/test-http-api.t
+++ b/tests/test-http-api.t
@@ -1,3 +1,5 @@
+#require no-chg
+
   $ send() {
   >   hg --verbose debugwireproto --peer raw http://$LOCALIP:$HGPORT/
   > }
diff --git a/tests/test-http-protocol.t b/tests/test-http-protocol.t
index 9d44c71bd892efb3a4407678d5bc77213861c159_dGVzdHMvdGVzdC1odHRwLXByb3RvY29sLnQ=..538e850ae73745c55bbb7da1ee3659c21a315688_dGVzdHMvdGVzdC1odHRwLXByb3RvY29sLnQ= 100644
--- a/tests/test-http-protocol.t
+++ b/tests/test-http-protocol.t
@@ -1,3 +1,5 @@
+#require no-chg
+
   $ . $TESTDIR/wireprotohelpers.sh
 
   $ cat >> $HGRCPATH << EOF
diff --git a/tests/test-lfs-largefiles.t b/tests/test-lfs-largefiles.t
index 9d44c71bd892efb3a4407678d5bc77213861c159_dGVzdHMvdGVzdC1sZnMtbGFyZ2VmaWxlcy50..538e850ae73745c55bbb7da1ee3659c21a315688_dGVzdHMvdGVzdC1sZnMtbGFyZ2VmaWxlcy50 100644
--- a/tests/test-lfs-largefiles.t
+++ b/tests/test-lfs-largefiles.t
@@ -1,4 +1,4 @@
-#require no-reposimplestore
+#require no-reposimplestore no-chg
 
 This tests the interaction between the largefiles and lfs extensions, and
 conversion from largefiles -> lfs.
diff --git a/tests/test-lfs-serve-access.t b/tests/test-lfs-serve-access.t
index 9d44c71bd892efb3a4407678d5bc77213861c159_dGVzdHMvdGVzdC1sZnMtc2VydmUtYWNjZXNzLnQ=..538e850ae73745c55bbb7da1ee3659c21a315688_dGVzdHMvdGVzdC1sZnMtc2VydmUtYWNjZXNzLnQ= 100644
--- a/tests/test-lfs-serve-access.t
+++ b/tests/test-lfs-serve-access.t
@@ -1,4 +1,4 @@
-#require serve no-reposimplestore
+#require serve no-reposimplestore no-chg
 
   $ cat >> $HGRCPATH <<EOF
   > [extensions]
diff --git a/tests/test-lfs-serve.t b/tests/test-lfs-serve.t
index 9d44c71bd892efb3a4407678d5bc77213861c159_dGVzdHMvdGVzdC1sZnMtc2VydmUudA==..538e850ae73745c55bbb7da1ee3659c21a315688_dGVzdHMvdGVzdC1sZnMtc2VydmUudA== 100644
--- a/tests/test-lfs-serve.t
+++ b/tests/test-lfs-serve.t
@@ -1,5 +1,5 @@
 #testcases lfsremote-on lfsremote-off
-#require serve no-reposimplestore
+#require serve no-reposimplestore no-chg
 
 This test splits `hg serve` with and without using the extension into separate
 tests cases.  The tests are broken down as follows, where "LFS"/"No-LFS"
diff --git a/tests/test-lfs-test-server.t b/tests/test-lfs-test-server.t
index 9d44c71bd892efb3a4407678d5bc77213861c159_dGVzdHMvdGVzdC1sZnMtdGVzdC1zZXJ2ZXIudA==..538e850ae73745c55bbb7da1ee3659c21a315688_dGVzdHMvdGVzdC1sZnMtdGVzdC1zZXJ2ZXIudA== 100644
--- a/tests/test-lfs-test-server.t
+++ b/tests/test-lfs-test-server.t
@@ -1,4 +1,4 @@
-#require no-reposimplestore
+#require no-reposimplestore no-chg
 #testcases git-server hg-server
 
 #if git-server
diff --git a/tests/test-lfs.t b/tests/test-lfs.t
index 9d44c71bd892efb3a4407678d5bc77213861c159_dGVzdHMvdGVzdC1sZnMudA==..538e850ae73745c55bbb7da1ee3659c21a315688_dGVzdHMvdGVzdC1sZnMudA== 100644
--- a/tests/test-lfs.t
+++ b/tests/test-lfs.t
@@ -1,4 +1,4 @@
-#require no-reposimplestore
+#require no-reposimplestore no-chg
 
 # Initial setup
 
diff --git a/tests/test-parseindex.t b/tests/test-parseindex.t
index 9d44c71bd892efb3a4407678d5bc77213861c159_dGVzdHMvdGVzdC1wYXJzZWluZGV4LnQ=..538e850ae73745c55bbb7da1ee3659c21a315688_dGVzdHMvdGVzdC1wYXJzZWluZGV4LnQ= 100644
--- a/tests/test-parseindex.t
+++ b/tests/test-parseindex.t
@@ -1,3 +1,5 @@
+#require no-chg
+
 revlog.parseindex must be able to parse the index file even if
 an index entry is split between two 64k blocks.  The ideal test
 would be to create an index file with inline data where
diff --git a/tests/test-pull-bundle.t b/tests/test-pull-bundle.t
index 9d44c71bd892efb3a4407678d5bc77213861c159_dGVzdHMvdGVzdC1wdWxsLWJ1bmRsZS50..538e850ae73745c55bbb7da1ee3659c21a315688_dGVzdHMvdGVzdC1wdWxsLWJ1bmRsZS50 100644
--- a/tests/test-pull-bundle.t
+++ b/tests/test-pull-bundle.t
@@ -1,3 +1,5 @@
+#require no-chg
+
   $ hg init repo
   $ cd repo
   $ echo foo > foo
diff --git a/tests/test-push-http.t b/tests/test-push-http.t
index 9d44c71bd892efb3a4407678d5bc77213861c159_dGVzdHMvdGVzdC1wdXNoLWh0dHAudA==..538e850ae73745c55bbb7da1ee3659c21a315688_dGVzdHMvdGVzdC1wdXNoLWh0dHAudA== 100644
--- a/tests/test-push-http.t
+++ b/tests/test-push-http.t
@@ -1,3 +1,5 @@
+#require no-chg
+
 #testcases bundle1 bundle2
 
 #if bundle1
diff --git a/tests/test-ssh-proto.t b/tests/test-ssh-proto.t
index 9d44c71bd892efb3a4407678d5bc77213861c159_dGVzdHMvdGVzdC1zc2gtcHJvdG8udA==..538e850ae73745c55bbb7da1ee3659c21a315688_dGVzdHMvdGVzdC1zc2gtcHJvdG8udA== 100644
--- a/tests/test-ssh-proto.t
+++ b/tests/test-ssh-proto.t
@@ -1,3 +1,5 @@
+#require no-chg
+
   $ cat > hgrc-sshv2 << EOF
   > %include $HGRCPATH
   > [experimental]
diff --git a/tests/test-wireproto-command-capabilities.t b/tests/test-wireproto-command-capabilities.t
index 9d44c71bd892efb3a4407678d5bc77213861c159_dGVzdHMvdGVzdC13aXJlcHJvdG8tY29tbWFuZC1jYXBhYmlsaXRpZXMudA==..538e850ae73745c55bbb7da1ee3659c21a315688_dGVzdHMvdGVzdC13aXJlcHJvdG8tY29tbWFuZC1jYXBhYmlsaXRpZXMudA== 100644
--- a/tests/test-wireproto-command-capabilities.t
+++ b/tests/test-wireproto-command-capabilities.t
@@ -1,3 +1,5 @@
+#require no-chg
+
   $ . $TESTDIR/wireprotohelpers.sh
 
   $ hg init server