[varLib.featureVars] Improve test

Tests/varLib/featureVars_test.py

@@ -20,10 +20,17 @@ def test_explosion(n = 10):
 if __name__ == "__main__":
     import sys
     from pprint import pprint
+    quiet = False
     args = {}
     if len(sys.argv) > 1:
+        if sys.argv[1] == '-q':
+            quiet = True
+            del sys.argv[1]
         args['n'] = int(sys.argv[1])
     input, output = test_explosion(**args)
+    if quiet:
+        print(len(output))
+    else:
         print("Input:")
         pprint(input)
         print()