Added try and except for test condition in the bitmessagemain

src/bitmessagemain.py

@@ -405,17 +405,19 @@ class Main(object):
         else:
             state.enableGUI = True
             # pylint: disable=relative-import
-            
-            from tests import core as test_core
-            test_core_result = test_core.run()
-            state.enableGUI = True
-            self.stop()
-            test_core.cleanup()
-            sys.exit(
-                'Core tests failed!'
-                if test_core_result.errors or test_core_result.failures
-                else 0
-            )
+            try:
+                from tests import core as test_core
+                test_core_result = test_core.run()
+                state.enableGUI = True
+                self.stop()
+                test_core.cleanup()
+                sys.exit(
+                    'Core tests failed!'
+                    if test_core_result.errors or test_core_result.failures
+                    else 0
+                )
+            except:
+                pass
 
     @staticmethod
     def daemonize():