fixed checkstyle issues

Author: cybele-ripple

xrpl4j-core/src/test/java/org/xrpl/xrpl4j/model/jackson/modules/PathCurrencySerializerTest.java

@@ -92,7 +92,7 @@ void testSerializeMptIssue() throws IOException {
   }
 
   @Test
-  void testSerializeCurrencyIssueThrowsIOException() throws IOException {
+  void testSerializeCurrencyIssueThrowsIoException() throws IOException {
     JsonGenerator jsonGeneratorMock = mock(JsonGenerator.class);
     PathCurrency pathCurrency = PathCurrency.of("USD");
 
@@ -110,7 +110,7 @@ void testSerializeCurrencyIssueThrowsIOException() throws IOException {
   }
 
   @Test
-  void testSerializeMptIssueThrowsIOException() throws IOException {
+  void testSerializeMptIssueThrowsIoException() throws IOException {
     JsonGenerator jsonGeneratorMock = mock(JsonGenerator.class);
     MpTokenIssuanceId mptId = MpTokenIssuanceId.of("00000002430427B80BD2D09D36B70B969E12801065F22308");
     PathCurrency pathCurrency = PathCurrency.of(MptIssue.of(mptId));

xrpl4j-core/src/test/java/org/xrpl/xrpl4j/model/ledger/IssueTest.java

@@ -210,7 +210,7 @@ void testHandleWithNullCurrencyIssueHandler() {
 
     NullPointerException exception = assertThrows(
       NullPointerException.class,
-      () -> currencyIssue.handle(null, mi -> {})
+      () -> currencyIssue.handle(null, mi -> { })
     );
   }
 
@@ -221,7 +221,7 @@ void testHandleWithNullMptIssueHandler() {
 
     NullPointerException exception = assertThrows(
       NullPointerException.class,
-      () -> mptIssue.handle(ci -> {}, null)
+      () -> mptIssue.handle(ci -> { }, null)
     );
   }
 
@@ -248,7 +248,7 @@ void testHandleWithUnsupportedIssueType() {
 
     IllegalStateException exception = assertThrows(
       IllegalStateException.class,
-      () -> unsupportedIssue.handle(ci -> {}, mi -> {})
+      () -> unsupportedIssue.handle(ci -> { }, mi -> { })
     );
 
     assertThat(exception.getMessage()).contains("Unsupported Issue Type");