Fix testOooUnoMimemapper

Due to a5157949 cloudooo will retry 10 times before raising thus take this into account
Raise rather than swallow.

Test do pass at
https://nexedi.erp5.net/test_result_module/20191227-20A35E0F

/reviewed-on !21

cloudooo/handler/ooo/helper/helper_util.py

@@ -22,11 +22,15 @@ def getServiceManager(host, port, uno_path, office_binary_path):
   # Connect to the running OpenOffice.org and get its
   # context.
   # Retry 10 times if needed.
-  for i in range(10):
+  max_attempts = 10
+  for i in range(max_attempts):
     try:
       uno_connection = resolver.resolve("uno:socket,host=%s,port=%s;urp;StarOffice.ComponentContext" % (host, port))
       break
     except:
+      if i == (max_attempts - 1):
+        # no use to try, raise accordingly rather than swallow exception
+        raise
       # I don't know how to import com.sun.star.connection.NoConnectException
       time.sleep(1)
   # Get the ServiceManager object

cloudooo/handler/ooo/tests/testOooUnoMimemapper.py

@@ -110,6 +110,9 @@ class TestUnoMimeMapper(HandlerTestCase):
             "--office_binary_path=%s" % self.office_binary_path,
             "--hostname=%s" % self.hostname,
             "--port=%s" % self.openoffice_port]
+    # due to a5157949fb5fc9e0c4b0b204f0e737c15498cf38 
+    # cloudooo will retry 10 times before raising thus take this into account
+    for i in range(10):
       stdout, stderr = Popen(command,
                              stdout=PIPE,
                              stderr=PIPE).communicate()