Add @DisplayName annotation to 3 Test files

exercises/practice/bank-account/src/test/java/BankAccountTest.java

@@ -1,5 +1,6 @@
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 
 import java.util.Random;
@@ -14,54 +15,55 @@ public void setUp() {
         bankAccount = new BankAccount();
     }
 
+    @DisplayName("Newly opened account has empty balance")
     @Test
     public void newlyOpenedAccountHasEmptyBalance() throws BankAccountActionInvalidException {
         bankAccount.open();
-
         assertThat(bankAccount.getBalance()).isEqualTo(0);
     }
 
     @Disabled("Remove to run test")
+    @DisplayName("Deposit into account")
     @Test
     public void singleDeposit() throws BankAccountActionInvalidException {
         bankAccount.open();
         bankAccount.deposit(100);
-
         assertThat(bankAccount.getBalance()).isEqualTo(100);
     }
 
     @Disabled("Remove to run test")
+    @DisplayName("Deposit into account several times")
     @Test
     public void multipleDeposits() throws BankAccountActionInvalidException {
         bankAccount.open();
         bankAccount.deposit(100);
         bankAccount.deposit(50);
-
         assertThat(bankAccount.getBalance()).isEqualTo(150);
     }
 
     @Disabled("Remove to run test")
+    @DisplayName("Withdraw some money")
     @Test
     public void withdrawOnce() throws BankAccountActionInvalidException {
         bankAccount.open();
         bankAccount.deposit(100);
         bankAccount.withdraw(75);
-
         assertThat(bankAccount.getBalance()).isEqualTo(25);
     }
 
     @Disabled("Remove to run test")
+    @DisplayName("Withdraw entire balance")
     @Test
     public void withdrawTwice() throws BankAccountActionInvalidException {
         bankAccount.open();
         bankAccount.deposit(100);
         bankAccount.withdraw(80);
         bankAccount.withdraw(20);
-
         assertThat(bankAccount.getBalance()).isEqualTo(0);
     }
 
     @Disabled("Remove to run test")
+    @DisplayName("Can do multiple operations sequentially")
     @Test
     public void canDoMultipleOperationsSequentially() throws BankAccountActionInvalidException {
         bankAccount.open();
@@ -70,33 +72,33 @@ public void canDoMultipleOperationsSequentially() throws BankAccountActionInvali
         bankAccount.withdraw(200);
         bankAccount.deposit(60);
         bankAccount.withdraw(50);
-
         assertThat(bankAccount.getBalance()).isEqualTo(20);
     }
 
     @Disabled("Remove to run test")
+    @DisplayName("Cannot get balance of closed account")
     @Test
     public void cannotCheckBalanceOfClosedAccount() throws BankAccountActionInvalidException {
         bankAccount.open();
         bankAccount.close();
-
         assertThatExceptionOfType(BankAccountActionInvalidException.class)
                 .isThrownBy(bankAccount::getBalance)
                 .withMessage("Account closed");
     }
 
     @Disabled("Remove to run test")
+    @DisplayName("Cannot deposit money into closed account")
     @Test
     public void cannotDepositIntoClosedAccount() throws BankAccountActionInvalidException {
         bankAccount.open();
         bankAccount.close();
-
         assertThatExceptionOfType(BankAccountActionInvalidException.class)
                 .isThrownBy(() -> bankAccount.deposit(50))
                 .withMessage("Account closed");
     }
 
     @Disabled("Remove to run test")
+    @DisplayName("Cannot deposit money into unopened account")
     @Test
     public void cannotDepositIntoUnopenedAccount() {
         assertThatExceptionOfType(BankAccountActionInvalidException.class)
@@ -105,17 +107,18 @@ public void cannotDepositIntoUnopenedAccount() {
     }
 
     @Disabled("Remove to run test")
+    @DisplayName("Cannot withdraw money from closed account")
     @Test
     public void cannotWithdrawFromClosedAccount() throws BankAccountActionInvalidException {
         bankAccount.open();
         bankAccount.close();
-
         assertThatExceptionOfType(BankAccountActionInvalidException.class)
                 .isThrownBy(() -> bankAccount.withdraw(50))
                 .withMessage("Account closed");
     }
 
     @Disabled("Remove to run test")
+    @DisplayName("Cannot close unopened account")
     @Test
     public void cannotCloseAnAccountThatWasNotOpened() {
         assertThatExceptionOfType(BankAccountActionInvalidException.class)
@@ -124,59 +127,60 @@ public void cannotCloseAnAccountThatWasNotOpened() {
     }
 
     @Disabled("Remove to run test")
+    @DisplayName("Cannot open already opened account")
     @Test
     public void cannotOpenAnAlreadyOpenedAccount() throws BankAccountActionInvalidException {
         bankAccount.open();
-
         assertThatExceptionOfType(BankAccountActionInvalidException.class)
                 .isThrownBy(bankAccount::open)
                 .withMessage("Account already open");
     }
 
     @Disabled("Remove to run test")
+    @DisplayName("Reopened account does not retain balance")
     @Test
     public void reopenedAccountDoesNotRetainBalance() throws BankAccountActionInvalidException {
         bankAccount.open();
         bankAccount.deposit(50);
         bankAccount.close();
         bankAccount.open();
-
         assertThat(bankAccount.getBalance()).isEqualTo(0);
     }
 
     @Disabled("Remove to run test")
+    @DisplayName("Cannot withdraw more than was deposited")
     @Test
     public void cannotWithdrawMoreThanWasDeposited() throws BankAccountActionInvalidException {
         bankAccount.open();
         bankAccount.deposit(25);
-
         assertThatExceptionOfType(BankAccountActionInvalidException.class)
                 .isThrownBy(() -> bankAccount.withdraw(50))
                 .withMessage("Cannot withdraw more money than is currently in the account");
     }
 
     @Disabled("Remove to run test")
+    @DisplayName("Cannot withdraw negative amount")
     @Test
     public void cannotWithdrawNegativeAmount() throws BankAccountActionInvalidException {
         bankAccount.open();
         bankAccount.deposit(100);
-
         assertThatExceptionOfType(BankAccountActionInvalidException.class)
                 .isThrownBy(() -> bankAccount.withdraw(-50))
                 .withMessage("Cannot deposit or withdraw negative amount");
     }
 
     @Disabled("Remove to run test")
+    @DisplayName("Cannot deposit negative amount")
     @Test
     public void cannotDepositNegativeAmount() throws BankAccountActionInvalidException {
         bankAccount.open();
-
         assertThatExceptionOfType(BankAccountActionInvalidException.class)
                 .isThrownBy(() -> bankAccount.deposit(-50))
                 .withMessage("Cannot deposit or withdraw negative amount");
     }
 
     @Disabled("Remove to run test")
+    @DisplayName("Can handle concurrent transactions")
     @Test
     public void canHandleConcurrentTransactions() throws BankAccountActionInvalidException, InterruptedException {
         bankAccount.open();