Only print_time when not a unit test or debug_level set

compiler/globals.py

@@ -395,6 +395,10 @@ def import_tech():
 
 def print_time(name, now_time, last_time=None, indentation=2):
     """ Print a statement about the time delta. """
+    global OPTS
+    
+    # Don't print during testing
+    if not OPTS.is_unit_test or OPTS.debug_level>0:
         if last_time:
             time = str(round((now_time-last_time).total_seconds(),1)) + " seconds"
         else: