tests: Fix regression in START line total count

The previous changes to enable stdin control broke the previous case of
showing the total number of test cases in the START lines. Fix that by
using a separate variable for the total number of test casess instead of
using length of the list of remaining test cases.

Signed-off-by: Jouni Malinen <j@w1.fi>

tests/hwsim/run-tests.py

@@ -344,8 +344,9 @@ def main():
     if args.stdin_ctrl:
         print "READY"
         sys.stdout.flush()
+        num_tests = 0
     else:
-        remaining_tests = tests_to_run
+        num_tests = len(tests_to_run)
     while True:
         if args.stdin_ctrl:
             test = sys.stdin.readline()
@@ -365,9 +366,9 @@ def main():
                 sys.stdout.flush()
                 continue
         else:
-            if len(remaining_tests) == 0:
+            if len(tests_to_run) == 0:
                 break
-            t = remaining_tests.pop(0)
+            t = tests_to_run.pop(0)
 
         name = t.__name__.replace('test_', '', 1)
         if log_handler:
@@ -382,7 +383,7 @@ def main():
         reset_ok = True
         with DataCollector(args.logdir, name, args.tracing, args.dmesg):
             count = count + 1
-            msg = "START {} {}/{}".format(name, count, len(tests_to_run))
+            msg = "START {} {}/{}".format(name, count, num_tests)
             logger.info(msg)
             if args.loglevel == logging.WARNING:
                 print msg