diff --git a/src/Entity/TicketInfo.php b/src/Entity/TicketInfo.php
index 22a7d0d..db1a79f 100644
--- a/src/Entity/TicketInfo.php
+++ b/src/Entity/TicketInfo.php
@@ -6,9 +6,9 @@
 
 class TicketInfo
 {
-    public DateTime $bookingDate;
-    public int $gender;
-    public int $age;
+    public $bookingDate;
+    public $gender;
+    public $age;
 
     public function __construct(DateTime $bookingDate, int $gender, int $age)
     {
diff --git a/tests/Unit/BankServiceTest.php b/tests/Unit/BankServiceTest.php
new file mode 100644
index 0000000..6f1882c
--- /dev/null
+++ b/tests/Unit/BankServiceTest.php
@@ -0,0 +1,203 @@
+<?php
+
+namespace Tests;
+
+use PHPUnit\Framework\TestCase;
+use Carbon\Carbon;
+use StdGroup\App\BankService;
+use StdGroup\App\Entity\Card;
+
+class BankServiceTest extends TestCase
+{
+    public function testNoVIPCardInNormalDayAtChargeTimePeriod()
+    {
+        $card = new Card("no-vip", false);
+        $testDate = Carbon::create(2022, 7, 12, 9, 20);
+        Carbon::setTestNow($testDate);
+
+        $bankService = new BankService();
+        $fee = $bankService->calculateFee($card);
+
+        $this->assertEquals($bankService::NORMAL_FEE, $fee);
+    }
+
+    public function testNoVIPCardInWeekendAtChargeTimePeriod()
+    {
+        $card = new Card("no-vip", false);
+        $testDate = Carbon::create(2022, 7, 10, 9, 20);
+        Carbon::setTestNow($testDate);
+
+        $bankService = new BankService();
+        $fee = $bankService->calculateFee($card);
+
+        $this->assertEquals($bankService::NO_FEE, $fee);
+    }
+
+    public function testNoVIPCardInHoliDayAtChargeTimePeriod()
+    {
+        $card = new Card("no-vip", false);
+        $testDate = Carbon::create(2022, 4, 30, 9, 20);
+        Carbon::setTestNow($testDate);
+
+        $bankService = new BankService();
+        $fee = $bankService->calculateFee($card);
+
+        $this->assertEquals($bankService::NO_FEE, $fee);
+    }
+
+    public function testNoVIPCardInHoliDayAndWeekendAtChargeTimePeriod()
+    {
+        $card = new Card("no-vip", false);
+        $testDate = Carbon::create(2022, 5, 1, 9, 20);
+        Carbon::setTestNow($testDate);
+
+        $bankService = new BankService();
+        $fee = $bankService->calculateFee($card);
+
+        $this->assertEquals($bankService::NO_FEE, $fee);
+    }
+
+    public function testNoVIPCardInNormalDayAtFreeTimePeriod()
+    {
+        $card = new Card("no-vip", false);
+        $testDate = Carbon::create(2022, 7, 12, 8, 0);
+        Carbon::setTestNow($testDate);
+
+        $bankService = new BankService();
+        $fee = $bankService->calculateFee($card);
+
+        $this->assertEquals($bankService::NORMAL_FEE, $fee);
+    }
+
+    public function testNoVIPCardInWeekendAtFreeTimePeriod()
+    {
+        $card = new Card("no-vip", false);
+        $testDate = Carbon::create(2022, 7, 10, 8, 0);
+        Carbon::setTestNow($testDate);
+
+        $bankService = new BankService();
+        $fee = $bankService->calculateFee($card);
+
+        $this->assertEquals($bankService::NO_FEE, $fee);
+    }
+
+    public function testNoVIPCardInHoliDayAtFreeTimePeriod()
+    {
+        $card = new Card("no-vip", false);
+        $testDate = Carbon::create(2022, 4, 30, 8, 0);
+        Carbon::setTestNow($testDate);
+
+        $bankService = new BankService();
+        $fee = $bankService->calculateFee($card);
+
+        $this->assertEquals($bankService::NO_FEE, $fee);
+    }
+
+    public function testNoVIPCardInHoliDayAndWeekendAtFreeTimePeriod()
+    {
+        $card = new Card("no-vip", false);
+        $testDate = Carbon::create(2022, 5, 1, 8, 0);
+        Carbon::setTestNow($testDate);
+
+        $bankService = new BankService();
+        $fee = $bankService->calculateFee($card);
+
+        $this->assertEquals($bankService::NO_FEE, $fee);
+    }
+
+    public function testVIPCardInNormalDayAtChargeTimePeriod()
+    {
+        $card = new Card("vip", true);
+        $testDate = Carbon::create(2022, 7, 12, 9, 20);
+        Carbon::setTestNow($testDate);
+
+        $bankService = new BankService();
+        $fee = $bankService->calculateFee($card);
+
+        $this->assertEquals($bankService::NORMAL_FEE, $fee);
+    }
+
+    public function testVIPCardInWeekendAtChargeTimePeriod()
+    {
+        $card = new Card("vip", true);
+        $testDate = Carbon::create(2022, 7, 10, 9, 20);
+        Carbon::setTestNow($testDate);
+
+        $bankService = new BankService();
+        $fee = $bankService->calculateFee($card);
+
+        $this->assertEquals($bankService::NO_FEE, $fee);
+    }
+
+    public function testVIPCardInHoliDayAtChargeTimePeriod()
+    {
+        $card = new Card("vip", true);
+        $testDate = Carbon::create(2022, 4, 30, 9, 20);
+        Carbon::setTestNow($testDate);
+
+        $bankService = new BankService();
+        $fee = $bankService->calculateFee($card);
+
+        $this->assertEquals($bankService::NO_FEE, $fee);
+    }
+
+    public function testVIPCardInHoliDayAndWeekendAtChargeTimePeriod()
+    {
+        $card = new Card("vip", true);
+        $testDate = Carbon::create(2022, 5, 1, 9, 20);
+        Carbon::setTestNow($testDate);
+
+        $bankService = new BankService();
+        $fee = $bankService->calculateFee($card);
+
+        $this->assertEquals($bankService::NO_FEE, $fee);
+    }
+
+    public function testVIPCardInNormalDayAtFreeTimePeriod()
+    {
+        $card = new Card("vip", true);
+        $testDate = Carbon::create(2022, 7, 12, 8, 0);
+        Carbon::setTestNow($testDate);
+
+        $bankService = new BankService();
+        $fee = $bankService->calculateFee($card);
+
+        $this->assertEquals($bankService::NORMAL_FEE, $fee);
+    }
+
+    public function testVIPCardInWeekendAtFreeTimePeriod()
+    {
+        $card = new Card("vip", true);
+        $testDate = Carbon::create(2022, 7, 10, 8, 0);
+        Carbon::setTestNow($testDate);
+
+        $bankService = new BankService();
+        $fee = $bankService->calculateFee($card);
+
+        $this->assertEquals($bankService::NO_FEE, $fee);
+    }
+
+    public function testVIPCardInHoliDayAtFreeTimePeriod()
+    {
+        $card = new Card("vip", true);
+        $testDate = Carbon::create(2022, 4, 30, 8, 0);
+        Carbon::setTestNow($testDate);
+
+        $bankService = new BankService();
+        $fee = $bankService->calculateFee($card);
+
+        $this->assertEquals($bankService::NO_FEE, $fee);
+    }
+
+    public function testVIPCardInHoliDayAndWeekendAtFreeTimePeriod()
+    {
+        $card = new Card("vip", true);
+        $testDate = Carbon::create(2022, 5, 1, 8, 0);
+        Carbon::setTestNow($testDate);
+
+        $bankService = new BankService();
+        $fee = $bankService->calculateFee($card);
+
+        $this->assertEquals($bankService::NO_FEE, $fee);
+    }
+}