Fixed Unit test case file name for
@@ -3,7 +3,7 @@ package com.baeldung.algorithms.string;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
-public class EnglishAlphabetLettersTest {
+public class EnglishAlphabetLettersUnitTest {
@Test
void givenString_whenContainsAllCharacter_thenTrue() {
