style: format code (#4212)

close #4204

src/test/java/com/thealgorithms/others/CountCharTest.java

@@ -1,17 +1,16 @@
 package com.thealgorithms.others;
 
-import org.junit.jupiter.api.Test;
-
 import static org.junit.jupiter.api.Assertions.*;
 
+import org.junit.jupiter.api.Test;
+
 class CountCharTest {
 
     @Test
-    void testCountCharacters(){
+    void testCountCharacters() {
         String input = "12345";
         int expectedValue = 5;
 
         assertEquals(expectedValue, CountChar.CountCharacters(input));
     }
-
 }