diff --git a/core-java/src/test/java/com/baeldung/file/FileWriterTest.java b/core-java/src/test/java/com/baeldung/file/FileWriterTest.java
index 657593201b..b916f2b2c1 100644
--- a/core-java/src/test/java/com/baeldung/file/FileWriterTest.java
+++ b/core-java/src/test/java/com/baeldung/file/FileWriterTest.java
@@ -28,7 +28,7 @@ public class FileWriterTest {
         assertThat(
           StreamUtils.getStringFromInputStream(
           new FileInputStream(fileName)))
-          .isEqualTo("UK\r\n" + "US\r\n" + "Germany\r\n" + "Spain\r\n");
+          .isEqualTo("UK\r\n" + "US\r\n" + "Germany\r\n" + "Spain\n");
     }
 
     @After
diff --git a/core-java/src/test/java/com/baeldung/file/GuavaTest.java b/core-java/src/test/java/com/baeldung/file/GuavaTest.java
index f6bd71eb15..b17b12c464 100644
--- a/core-java/src/test/java/com/baeldung/file/GuavaTest.java
+++ b/core-java/src/test/java/com/baeldung/file/GuavaTest.java
@@ -24,11 +24,11 @@ public class GuavaTest {
     public void whenAppendToFileUsingGuava_thenCorrect() throws IOException {
         File file = new File(fileName);
         CharSink chs = Files.asCharSink(file, Charsets.UTF_8, FileWriteMode.APPEND);
-        chs.write("Spain\n");
+        chs.write("Spain");
         
         assertThat(StreamUtils.getStringFromInputStream(
           new FileInputStream(fileName)))
-          .isEqualTo("UK\r\n" + "US\r\n" + "Germany\r\n" + "Spain\r\n");
+          .isEqualTo("UK\r\n" + "US\r\n" + "Germany\r\n" + "Spain");
     }
     
     @After