Testcase fixes

The example from `software/slapos-sr-testing/README.md` in slapos repository uses a path with `~` for shared parts, but this was not supported.

Also, what was not supported is to use `setUpModule` more than once, but erp5 SR tests are starting to do this.

See merge request !196

slapos/testing/testcase.py

@@ -62,8 +62,10 @@ def makeModuleSetUpAndTestCaseClass(
     ipv6_address=os.environ['SLAPOS_TEST_IPV6'],
     debug=bool(int(os.environ.get('SLAPOS_TEST_DEBUG', 0))),
     verbose=bool(int(os.environ.get('SLAPOS_TEST_VERBOSE', 0))),
-    shared_part_list=os.environ.get('SLAPOS_TEST_SHARED_PART_LIST',
-                                    '').split(os.pathsep),
+    shared_part_list=[
+        os.path.expanduser(p) for p in os.environ.get(
+            'SLAPOS_TEST_SHARED_PART_LIST', '').split(os.pathsep)
+    ],
     snapshot_directory=os.environ.get('SLAPOS_TEST_LOG_DIRECTORY'),
 ):
   # type: (str, str, str, str, bool, bool, Iterable[str], Optional[str]) -> Tuple[Callable[[], None], Type[SlapOSInstanceTestCase]]
@@ -329,6 +331,8 @@ def installSoftwareUrlList(cls, software_url_list, max_retry=2, debug=False):
       cls._copySnapshot(standalone_log, name)
 
   try:
+    cls.logger.debug("Starting")
+    cls.slap.start()
     for software_url in software_url_list:
       cls.logger.debug("Supplying %s", software_url)
       cls.slap.supply(software_url)