+export SKIP_TEST_FILE_ARCHITECTURE_15=1
+
+# Fails under valgrind because xzcat subprocess has a memory leak.
+export SKIP_TEST_FILE_ARCHITECTURE_17=1
+
+# This test fails because we build the ISO after encoding the checksum
+# of the ISO in the test itself. Need to fix the test to work out the
+# checksum at runtime.
+export SKIP_TEST_CHECKSUM_DEVICE=1
+
+# Disable parallel virt-alignment-scan & virt-df tests (RHBZ#1025942).
+export SKIP_TEST_VIRT_ALIGNMENT_SCAN_GUESTS_SH=1
+export SKIP_TEST_VIRT_DF_GUESTS_SH=1
+
+# fusermount behaviour seems to have broken the test (RHBZ#1220751).
+export SKIP_TEST_FUSE_UMOUNT_RACE_SH=1
+export SKIP_TEST_GUESTMOUNT_FD=1
+
+# xfs_admin has no effect in Rawhide (RHBZ#1233220).
+export SKIP_TEST_XFS_ADMIN=1
+export SKIP_TEST_XFS_MISC_PL=1
+
+# syslinux broken by mtools (RHBZ#1275087).
+export SKIP_TEST_SYSLINUX_PL=1
+
+# See https://www.redhat.com/archives/libguestfs/2015-November/msg00144.html
+export SKIP_TEST_INOTIFY_ADD_WATCH=1
+
+# libguestfs: error: mkfs_btrfs: /dev/sda1: not enough free space
+# (RHBZ#1291715).
+export SKIP_TEST_BTRFS_IMAGE_0=1
+
+# Yawn, btrfs broken again. RHBZ#1372037
+export SKIP_TEST_BTRFS_DEVICES_SH=1
+
+# Kernel takes lots of RAM for virtio-scsi RHBZ#1478201
+export SKIP_TEST_255_DISKS_SH=1
+export SKIP_TEST_ADD_LOTS_OF_DISKS_SH=1
+
+# virtio-9p modules don't all get loaded RHBZ#1499896
+export SKIP_TEST_9P_SH=1
+
+# These tests are broken by libvirt not supporting qemu >= 2.10 locking.
+# REMOVE THIS when fixed.
+export SKIP_TEST820RHBZ912499_PY=1
+
+# ntfsclone is broken in Rawhide (RHBZ#1601146).
+export SKIP_TEST_NTFSCLONE_SH=1
+" ^
+ match supermin with
+ | None -> ""
+ | Some (supermin, supermin_helper) ->
+ sprintf "\
+# Needs a modified path to supermin binaries:
+export SUPERMIN=%s
+export SUPERMIN_HELPER=%s
+
+" supermin supermin_helper