Bodies in unsupported languages must be overwritten

For bodies, not for subjects, language is managed
by the mako code, so whichever translation exist
it must be written with the code we have.

tests/erp_service_testsuite.py

@@ -341,9 +341,8 @@ async def test__save_template__bodyTranslation_cloneMissingSupported(self, erp_s
             'en_US': edited.def_body_text,
         }
 
-    @pytest.mark.skip("In this moment, we don't want to add unsupported languages")
     async def test__save_template__bodyTranslation_cloneExistingUnsupported(self, erp_service, erp_translations):
-        erp_translations.edit('def_body_text', 'en_US', dict(value='Former value'), create=True)
+        erp_translations.edit('def_body_text', 'de_DE', dict(value='Former value'), create=True)
 
         edited = edited_values()
 
@@ -356,6 +355,7 @@ async def test__save_template__bodyTranslation_cloneExistingUnsupported(self, er
             'es_ES': edited.def_body_text,
             'ca_ES': edited.def_body_text,
             'en_US': edited.def_body_text,
+            'de_DE': edited.def_body_text,
         }
 
     @pytest.mark.skip("Not yet deployed in testing")