Run e2e through with valgrind if BIBOUMI_E2E_VALGRIND is set in the env

CMakeLists.txt

@@ -205,6 +205,8 @@ add_custom_target(check COMMAND "test_suite"
   DEPENDS test_suite biboumi)
 add_custom_target(e2e COMMAND "python3" "${CMAKE_CURRENT_SOURCE_DIR}/tests/end_to_end/"
   DEPENDS biboumi)
+add_custom_target(e2e_valgrind COMMAND "E2E_BIBOUMI_VALGRIND=1" "python3" "${CMAKE_CURRENT_SOURCE_DIR}/tests/end_to_end/"
+  DEPENDS biboumi)
 
 
 #

tests/end_to_end/__main__.py

@@ -782,7 +782,7 @@ if __name__ == '__main__':
 
     for scenario in scenarios:
         test = BiboumiTest(scenario)
-        if not test.run(False):
+        if not test.run(os.getenv("E2E_BIBOUMI_VALGRIND") is not None):
             print("You can check the files slixmpp_%s_output.txt and biboumi_%s_output.txt to help you debug." %
                   (scenario.name, scenario.name))
             failures += 1