[#535] Support public access block operations

Signed-off-by: Marina Biryukova <m.biryukova@yadro.com>

api/handler/handlers_test.go

@@ -499,6 +499,20 @@ func (a *apeMock) SaveACLChains(cid string, chains []*chain.Chain) error {
 	return nil
 }
 
+func (a *apeMock) DeleteACLChains(cid string, chainIDs []chain.ID) error {
+	if a.err != nil {
+		return a.err
+	}
+
+	for i := range chainIDs {
+		if err := a.RemoveChain(engine.ContainerTarget(cid), chainIDs[i]); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
 type frostfsidMock struct {
 	data map[string]*keys.PublicKey
 }