test: exit from test child processes

Otherwise the child processes will continue, return to the test
main function, and try to run other test cases themselves:

<...>
/* test_namespace_get_leader */
PID hierarchy: 553438 ← 553459 ← 553460
/* test_detach_mount_namespace_harder */
/* test_detach_mount_namespace_harder */
/* test_detach_mount_namespace_harder */

Follow-up for 0b8b13324e652cfc3b9f25dec0cf834705bbb8d0

hwdb.d/70-analyzers.hwdb

@@ -16,6 +16,61 @@
 usb:v1209p4D69*
  ID_SIGNAL_ANALYZER=1
 
+###########################################################
+# Hantek DSO-6022 oscilloscopes and compatible devices
+###########################################################
+# Hantek DSO-6022BE w/o FW
+usb:v04B4p6022*
+ ID_SIGNAL_ANALYZER=1
+
+# Hantek DSO-6022BE with FW
+usb:v04B5p6022*
+ ID_SIGNAL_ANALYZER=1
+
+# Hantek DSO-6022BL w/o FW
+usb:v04B4p602A*
+ ID_SIGNAL_ANALYZER=1
+
+# Hantek DSO-6022BL with FW
+usb:v04B5p602A*
+ ID_SIGNAL_ANALYZER=1
+
+# Hantek DSO-6021 w/o FW
+usb:v04B4p6021*
+ ID_SIGNAL_ANALYZER=1
+
+# Hantek DSO-6021 with FW
+usb:v04B5p6021*
+ ID_SIGNAL_ANALYZER=1
+
+# Voltcraft DSO-2020, w/o FW, becomes DSO-6022BE with FW
+usb:v04B4p2020*
+ ID_SIGNAL_ANALYZER=1
+
+# YiXingDianZiKeJi MDSO w/o FW
+usb:vD4A2p5660*
+ ID_SIGNAL_ANALYZER=1
+
+# YiXingDianZiKeJi MDSO with FW
+usb:v1D50p608E*
+ ID_SIGNAL_ANALYZER=1
+
+# BUUDAI DDS120 w/o FW
+usb:v8102p8102*
+ ID_SIGNAL_ANALYZER=1
+
+# BUUDAI DDS120 with FW
+usb:v04B5p0120*
+ ID_SIGNAL_ANALYZER=1
+
+# Instrustar isds-205b w/o FW
+usb:vD4A2p5661*
+ ID_SIGNAL_ANALYZER=1
+
+# Instrustar isds-205b with FW
+usb:v1D50p1D50*
+ ID_SIGNAL_ANALYZER=1
+
 ###########################################################
 # Total Phase
 ###########################################################

man/systemd-nspawn.xml

@@ -1947,8 +1947,7 @@ After=sys-subsystem-net-devices-ens1.device</programlisting>
 
       <para><command>debootstrap</command> supports
       <ulink url="https://www.debian.org">Debian</ulink>,
-      <ulink url="https://www.ubuntu.com">Ubuntu</ulink>,
+      and <ulink url="https://www.ubuntu.com">Ubuntu</ulink>
-      and <ulink url="https://www.tanglu.org">Tanglu</ulink>
       out of the box, so the same command can be used to install any of those. For other
       distributions from the Debian family, a mirror has to be specified, see
       <citerefentry project='die-net'><refentrytitle>debootstrap</refentrytitle><manvolnum>8</manvolnum></citerefentry>.

src/test/test-namespace.c

@@ -416,7 +416,11 @@ TEST(namespace_get_leader) {
                         ASSERT_TRUE(!pidref_equal(&pid2, &leader));
                         ASSERT_TRUE(!pidref_equal(&original, &leader));
                         ASSERT_TRUE(!pidref_equal(&grandparent, &leader));
+
+                        _exit(EXIT_SUCCESS);
                 }
+
+                _exit(EXIT_SUCCESS);
         }
 }