docs: update session facade

session-facade/src/test/java/com/iluwatar/sessionfacade/AppTest.java

@@ -27,7 +27,7 @@ package com.iluwatar.sessionfacade;
 import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 
 /** The type App test. */
-public class AppTest {
+class AppTest {
 
   /** Should execute application without exception. */
   @org.junit.jupiter.api.Test

session-facade/src/test/java/com/iluwatar/sessionfacade/PaymentServiceTest.java

@@ -27,13 +27,13 @@ package com.iluwatar.sessionfacade;
 import static org.mockito.Mockito.*;
 
 import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.CsvSource;
 import org.slf4j.Logger;
 
 /** The type Payment service test. */
 class PaymentServiceTest {
   private PaymentService paymentService;
-  private OrderService orderService;
   private Logger mockLogger;
 
   /** Sets up. */
@@ -44,27 +44,14 @@ class PaymentServiceTest {
     paymentService.LOGGER = mockLogger;
   }
 
-  /** Test select cash payment method. */
-  @Test
-  void testSelectCashPaymentMethod() {
-    String method = "cash";
+  @ParameterizedTest
+  @CsvSource({
+    "cash, Client have chosen cash payment option",
+    "credit, Client have chosen credit card payment option",
+    "cheque, Unspecified payment method type"
+  })
+  void testSelectPaymentMethod(String method, String expectedLogMessage) {
     paymentService.selectPaymentMethod(method);
-    verify(mockLogger).info("Client have chosen cash payment option");
-  }
-
-  /** Test select credit card payment method. */
-  @Test
-  void testSelectCreditCardPaymentMethod() {
-    String method = "credit";
-    paymentService.selectPaymentMethod(method);
-    verify(mockLogger).info("Client have chosen credit card payment option");
-  }
-
-  /** Test select unspecified payment method. */
-  @Test
-  void testSelectUnspecifiedPaymentMethod() {
-    String method = "cheque";
-    paymentService.selectPaymentMethod(method);
-    verify(mockLogger).info("Unspecified payment method type");
+    verify(mockLogger).info(expectedLogMessage);
   }
 }