diff --git a/exercises/concept/jedliks-toy-car/src/test/java/JedliksToyCarTest.java b/exercises/concept/jedliks-toy-car/src/test/java/JedliksToyCarTest.java
index 279cf07a0..49e3307eb 100644
--- a/exercises/concept/jedliks-toy-car/src/test/java/JedliksToyCarTest.java
+++ b/exercises/concept/jedliks-toy-car/src/test/java/JedliksToyCarTest.java
@@ -66,7 +66,7 @@ public void distanceDisplayAfterDrivingMultipleTimes() {
     public void batteryDisplayAfterDrivingOnce() {
         JedliksToyCar car = new JedliksToyCar();
         car.drive();
-        
+
         assertThat(car.batteryDisplay()).isEqualTo("Battery at 99%");
     }
 
diff --git a/exercises/concept/log-levels/src/test/java/LogLevelsTest.java b/exercises/concept/log-levels/src/test/java/LogLevelsTest.java
index 65dd46629..8f086683a 100644
--- a/exercises/concept/log-levels/src/test/java/LogLevelsTest.java
+++ b/exercises/concept/log-levels/src/test/java/LogLevelsTest.java
@@ -67,7 +67,7 @@ public void errorReformat() {
     @DisplayName("The reformat method correctly reformats a warning log line")
     public void warningReformat() {
         assertThat(LogLevels.reformat("[WARNING]: Decreased performance"))
-            .isEqualTo("Decreased performance (warning)");        
+            .isEqualTo("Decreased performance (warning)");
     }
 
     @Test
@@ -75,7 +75,7 @@ public void warningReformat() {
     @DisplayName("The reformat method correctly reformats an info log line")
     public void infoReformat() {
         assertThat(LogLevels.reformat("[INFO]: Disk defragmented"))
-            .isEqualTo("Disk defragmented (info)");        
+            .isEqualTo("Disk defragmented (info)");
     }
 
     @Test
@@ -83,6 +83,6 @@ public void infoReformat() {
     @DisplayName("The reformat method correctly reformats an error log line removing spaces")
     public void reformatWithLeadingAndTrailingWhiteSpace() {
         assertThat(LogLevels.reformat("[ERROR]: \t Corrupt disk\t \t \r\n"))
-            .isEqualTo("Corrupt disk (error)");        
+            .isEqualTo("Corrupt disk (error)");
     }
 }
diff --git a/exercises/practice/micro-blog/src/test/java/MicroBlogTest.java b/exercises/practice/micro-blog/src/test/java/MicroBlogTest.java
index 1b44d5a78..7ee642f81 100644
--- a/exercises/practice/micro-blog/src/test/java/MicroBlogTest.java
+++ b/exercises/practice/micro-blog/src/test/java/MicroBlogTest.java
@@ -7,7 +7,7 @@
 public class MicroBlogTest {
 
     private final MicroBlog microBlog = new MicroBlog();
-    
+
     @Test
     @DisplayName("English language short")
     public void englishLanguageShort() {
@@ -22,7 +22,7 @@ public void englishLanguageLong() {
         String expected = "Hello";
         assertThat(microBlog.truncate("Hello there")).isEqualTo(expected);
     }
-    
+
     @Disabled("Remove to run test")
     @Test
     @DisplayName("German language short (broth)")
@@ -38,7 +38,7 @@ public void germanLanguageLongBearCarpetToBeards() {
         String expected = "Bärte";
         assertThat(microBlog.truncate("Bärteppich")).isEqualTo(expected);
     }
-    
+
     @Disabled("Remove to run test")
     @Test
     @DisplayName("Bulgarian language short (good)")
@@ -54,7 +54,7 @@ public void greekLanguageShortHealth() {
         String expected = "υγειά";
         assertThat(microBlog.truncate("υγειά")).isEqualTo(expected);
     }
-    
+
     @Disabled("Remove to run test")
     @Test
     @DisplayName("Maths short")
@@ -70,7 +70,7 @@ public void mathsLong() {
         String expected = "∅⊊ℕ⊊ℤ";
         assertThat(microBlog.truncate("∅⊊ℕ⊊ℤ⊊ℚ⊊ℝ⊊ℂ")).isEqualTo(expected);
     }
-    
+
     @Disabled("Remove to run test")
     @Test
     @DisplayName("English and emoji short")
@@ -78,7 +78,7 @@ public void englishAndEmojiShort() {
         String expected = "Fly 🛫";
         assertThat(microBlog.truncate("Fly 🛫")).isEqualTo(expected);
     }
-    
+
     @Disabled("Remove to run test")
     @Test
     @DisplayName("Emoji short")
@@ -86,7 +86,7 @@ public void emojiShort() {
         String expected = "💇";
         assertThat(microBlog.truncate("💇")).isEqualTo(expected);
     }
-    
+
     @Disabled("Remove to run test")
     @Test
     @DisplayName("Emoji long")
@@ -94,7 +94,7 @@ public void emojiLong() {
         String expected = "❄🌡🤧🤒🏥";
         assertThat(microBlog.truncate("❄🌡🤧🤒🏥🕰😀")).isEqualTo(expected);
     }
-    
+
     @Disabled("Remove to run test")
     @Test
     @DisplayName("Royal Flush?")