Fix svs_disp tests and add test for paxctld

Some sd-svs-disp tests were not running, moving sd-svs-disp tests to their own file resolves.

tests/test_svs.py

@@ -27,19 +27,6 @@ def test_sd_client_package_installed(self):
         self.assertTrue(self._package_is_installed("securedrop-client"))
 
 
-class SD_SVS_Disp_Tests(SD_VM_Local_Test):
-    def setUp(self):
-        self.vm_name = "sd-svs-disp"
-        super(SD_SVS_Disp_Tests, self).setUp()
-
-    def test_sd_client_package_installed(self):
-        pkg = "securedrop-workstation-svs-disp"
-        self.assertTrue(self._package_is_installed(pkg))
-
-    def test_sd_svs_libreoffice_installed(self):
-        self.assertTrue(self._package_is_installed("libreoffice"))
-
-
 def load_tests(loader, tests, pattern):
     suite = unittest.TestLoader().loadTestsFromTestCase(SD_SVS_Tests)
     return suite

tests/test_svs_disp.py

@@ -0,0 +1,28 @@
+import subprocess
+import unittest
+
+from base import SD_VM_Local_Test
+
+
+class SD_SVS_Disp_Tests(SD_VM_Local_Test):
+    def setUp(self):
+        self.vm_name = "sd-svs-disp"
+        super(SD_SVS_Disp_Tests, self).setUp()
+
+    def test_sd_client_package_installed(self):
+        pkg = "securedrop-workstation-svs-disp"
+        self.assertTrue(self._package_is_installed(pkg))
+
+    def test_sd_svs_libreoffice_installed(self):
+        self.assertTrue(self._package_is_installed("libreoffice"))
+
+    def test_sd_svs_paxctld_is_running(self):
+        cmd = ["qvm-run", "-p", "sd-svs-disp",
+               "/usr/sbin/service paxctld status"]
+        p = subprocess.check_output(cmd)
+        self.assertTrue("active (running)".encode() in p)
+
+
+def load_tests(loader, tests, pattern):
+    suite = unittest.TestLoader().loadTestsFromTestCase(SD_SVS_Disp_Tests)
+    return suite