whitespace
diff --git a/log4j-core/src/test/java/org/apache/logging/log4j/core/impl/ThrowableProxyTest.java b/log4j-core/src/test/java/org/apache/logging/log4j/core/impl/ThrowableProxyTest.java
index f1ec4b9..787c33b 100644
--- a/log4j-core/src/test/java/org/apache/logging/log4j/core/impl/ThrowableProxyTest.java
+++ b/log4j-core/src/test/java/org/apache/logging/log4j/core/impl/ThrowableProxyTest.java
@@ -155,7 +155,7 @@
 
         assertEquals(proxy.getExtendedStackTraceAsString(), proxy2.getExtendedStackTraceAsString());
     }
-    
+
     @Test
 	public void testSerialization_getExtendedStackTraceAsStringWithNestedThrowableDepth1() throws Exception {
 		final Throwable throwable = new RuntimeException(new IllegalArgumentException("This is a test"));
@@ -237,7 +237,7 @@
 
         subject.toExtendedStackTrace(stack, map, null, throwable.getStackTrace());
     }
-    
+
     /**
      * Tests LOG4J2-934.
      */