diff --git a/test/TEST-01-BASIC/test.sh b/test/TEST-01-BASIC/test.sh
index 7aa21ff999..1c64017aaa 100755
--- a/test/TEST-01-BASIC/test.sh
+++ b/test/TEST-01-BASIC/test.sh
@@ -34,13 +34,6 @@ EOF
     ) || return 1
     setup_nspawn_root
 
-    # mask some services that we do not want to run in these tests
-    ln -s /dev/null $initdir/etc/systemd/system/systemd-hwdb-update.service
-    ln -s /dev/null $initdir/etc/systemd/system/systemd-journal-catalog-update.service
-    ln -s /dev/null $initdir/etc/systemd/system/systemd-networkd.service
-    ln -s /dev/null $initdir/etc/systemd/system/systemd-networkd.socket
-    ln -s /dev/null $initdir/etc/systemd/system/systemd-resolved.service
-
     ddebug "umount $TESTDIR/root"
     umount $TESTDIR/root
 }
diff --git a/test/test-functions b/test/test-functions
index 80467b526e..498dc82b18 100644
--- a/test/test-functions
+++ b/test/test-functions
@@ -15,6 +15,7 @@ TIMED_OUT=  # will be 1 after run_* if *_TIMEOUT is set and test timed out
 [[ "$LOOKS_LIKE_SUSE" ]] && FSTYPE="${FSTYPE:-btrfs}" || FSTYPE="${FSTYPE:-ext4}"
 UNIFIED_CGROUP_HIERARCHY="${UNIFIED_CGROUP_HIERARCHY:-default}"
 EFI_MOUNT="$(bootctl -p 2>/dev/null || echo /boot)"
+QEMU_MEM="${QEMU_MEM:-512M}"
 
 if ! ROOTLIBDIR=$(pkg-config --variable=systemdutildir systemd); then
     echo "WARNING! Cannot determine rootlibdir from pkg-config, assuming /usr/lib/systemd" >&2
@@ -51,6 +52,8 @@ if [[ "$IS_BUILT_WITH_ASAN" = "yes" ]]; then
     STRIP_BINARIES=no
     SKIP_INITRD=yes
     PATH_TO_INIT=$ROOTLIBDIR/systemd-under-asan
+    QEMU_MEM="1536M"
+    QEMU_SMP=4
 fi
 
 function find_qemu_bin() {
@@ -156,7 +159,7 @@ $KERNEL_APPEND \
 
     QEMU_OPTIONS="-smp $QEMU_SMP \
 -net none \
--m 512M \
+-m $QEMU_MEM \
 -nographic \
 -kernel $KERNEL_BIN \
 -drive format=raw,cache=unsafe,file=${TESTDIR}/rootdisk.img \
@@ -357,8 +360,9 @@ printf "[Service]\nEnvironment=ASAN_OPTIONS=\$DEFAULT_ASAN_OPTIONS:log_path=/sys
 
 # 90s isn't enough for some services to finish when literally everything is run
 # under ASan+UBSan in containers, which, in turn, are run in VMs.
+# Let's limit which environments such services should be executed in.
 mkdir -p /etc/systemd/system/systemd-hwdb-update.service.d
-printf "[Service]\nTimeoutSec=180s\n" >/etc/systemd/system/systemd-hwdb-update.service.d/timeout.conf
+printf "[Unit]\nConditionVirtualization=container\n\n[Service]\nTimeoutSec=180s\n" >/etc/systemd/system/systemd-hwdb-update.service.d/env-override.conf
 
 export ASAN_OPTIONS=\$DEFAULT_ASAN_OPTIONS:log_path=/systemd.asan.log UBSAN_OPTIONS=\$DEFAULT_UBSAN_OPTIONS
 exec  $ROOTLIBDIR/systemd "\$@"