Decrease feature_ltor.py sensitivity to time

Signed-off-by: Andres Correa Casablanca <andres@thirdhash.com>

test/functional/feature_ltor.py

@@ -68,7 +68,7 @@ def get_tests(self):
 
     def test_ltor_infringement_detection(self):
         # Just creating easily accessible outputs (coinbase) for next txns
-        for _ in range(8):
+        for _ in range(6):
             yield self.create_spendable_outputs()
 
         txns = []
@@ -168,7 +168,7 @@ def create_spendable_outputs(self):
         block = self.get_empty_block()
 
         self.spendable_outputs.append(block)
-        sleep(0.05)
+        sleep(0.1)
 
         return TestInstance([[block, True]], test_name='')