Update unit_test

bin/unit_test

@@ -197,10 +197,10 @@ for test in test_names:
             if valgrind_passphrase not in VALGRIND_RESULT.stderr:
 
                 # only capture the part after "LEAK SUMMARY"
-                VALGRIND_RESULT = VALGRIND_RESULT.stderr.split("LEAK SUMMARY")[1]
+                VALGRIND_INFO = VALGRIND_RESULT.stderr.split("LEAK SUMMARY")[1]
 
                 # check for leaks
-                for line in VALGRIND_RESULT.split('\n'):
+                for line in VALGRIND_INFO.split('\n'):
                     if "lost" in line and "0 bytes in 0 blocks" not in line:
                         valgrind_passed = False
                         break
@@ -210,7 +210,7 @@ for test in test_names:
             score += valgrind_test_max
         else:
             inform("valgrind failed", color=FAILURE, linebreak=True)
-            inform(VALGRIND_RESULT, color=FAILURE, extraline=True)
+            inform(VALGRIND_RESULT.stderr, color=FAILURE, extraline=True)
                
     # if here, then the regular test failed
     else: