Minor fixes in CAS API

Add casting to int in few cleaning policy params.
Fix few typos.
Add equation overload in cleaning policy params' classes.

Signed-off-by: Ostrokrzew <ostrokrzew@protonmail.com>

test/functional/api/cas/cache_config.py

@@ -95,6 +95,12 @@ class FlushParametersAlru:
         self.staleness_time = staleness_time
         self.wake_up_time = wake_up_time
 
+    def __eq__(self, other):
+        return self.activity_threshold == other.activity_threshold and \
+            self.flush_max_buffers == other.flush_max_buffers and \
+            self.staleness_time == other.staleness_time and \
+            self.wake_up_time == other.wake_up_time
+
     @staticmethod
     def default_alru_params():
         alru_params = FlushParametersAlru()
@@ -112,6 +118,10 @@ class FlushParametersAcp:
         self.flush_max_buffers = flush_max_buffers
         self.wake_up_time = wake_up_time
 
+    def __eq__(self, other):
+        return self.flush_max_buffers == other.flush_max_buffers and \
+            self.wake_up_time == other.wake_up_time
+
     @staticmethod
     def default_acp_params():
         acp_params = FlushParametersAcp()