Make --verbose parameter taking an argument.

Be sure, that after merging this commit all related default parameters awas changed (e.g. in Jenkins).

helpers/tf_cfg.py

@@ -100,9 +100,9 @@ def defaults(self):
             }
         )
 
-    def inc_verbose(self):
-        verbose = int(self.config["General"]["Verbose"]) + 1
-        self.config["General"]["Verbose"] = str(verbose)
+    def set_v_level(self, level):
+        assert isinstance(level, int) or isinstance(level, str) and level.isdigit()
+        self.config["General"]["Verbose"] = str(level)
 
     def set_duration(self, val):
         try:

run_tests.py

@@ -110,10 +110,10 @@ def usage():
 try:
     options, remainder = getopt.getopt(
         sys.argv[1:],
-        "hvdt:T:fr:ER:a:nl:LCDZpIi:sS",
+        "hv:dt:T:fr:ER:a:nl:LCDZpIi:sS",
         [
             "help",
-            "verbose",
+            "verbose=",
             "defaults",
             "duration=",
             "failfast",
@@ -145,7 +145,7 @@ def usage():
     if opt in ("-f", "--failfast"):
         fail_fast = True
     if opt in ("-v", "--verbose"):
-        tf_cfg.cfg.inc_verbose()
+        tf_cfg.cfg.set_v_level(arg)
     if opt in ("-t", "--duration"):
         if not tf_cfg.cfg.set_duration(arg):
             print("Invalid option: ", opt, arg)