fix: use $this->time() instead of time()

For testing, we need to use testTime in all places.

Author: kenjis

system/Throttle/Throttler.php

@@ -100,7 +100,7 @@ public function check(string $key, int $capacity, int $seconds, int $cost = 1):
             // If it hasn't been created, then we'll set it to the maximum
             // capacity - 1, and save it to the cache.
             $this->cache->save($tokenName, $capacity - $cost, $seconds);
-            $this->cache->save($tokenName . 'Time', time(), $seconds);
+            $this->cache->save($tokenName . 'Time', $this->time(), $seconds);
 
             return true;
         }
@@ -129,7 +129,7 @@ public function check(string $key, int $capacity, int $seconds, int $cost = 1):
         // we need to decrement the number of available tokens.
         if ($tokens >= 1) {
             $this->cache->save($tokenName, $tokens - $cost, $seconds);
-            $this->cache->save($tokenName . 'Time', time(), $seconds);
+            $this->cache->save($tokenName . 'Time', $this->time(), $seconds);
 
             return true;
         }
@@ -164,6 +164,8 @@ public function setTestTime(int $time)
 
     /**
      * Return the test time, defaulting to current.
+     *
+     * @TODO should be private
      */
     public function time(): int
     {