update espMqttclient

lib/espMqttClient/platformio.ini

@@ -19,6 +19,7 @@ build_flags =
   -Wextra
   -std=c++11
   -pthread
+  -ggdb3
 
 [env:native]
 platform = native
@@ -29,5 +30,13 @@ build_flags =
   --coverage
   -D EMC_RX_BUFFER_SIZE=100
   -D EMC_TX_BUFFER_SIZE=10
+  -D EMC_MULTIPLE_CALLBACKS=1
 ;extra_scripts = test-coverage.py
 build_type = debug
+test_testing_command =
+  valgrind
+  --leak-check=full
+  --show-leak-kinds=all
+  --track-origins=yes
+  --error-exitcode=1
+  ${platformio.build_dir}/${this.__env__}/program