#BAEL-6958: change Test class name

Author: hmdrzsharifi

core-java-modules/core-java-security-5/src/test/java/com/baeldung/kem/KemUtilsIntegrationTest.java renamed to core-java-modules/core-java-security-5/src/test/java/com/baeldung/kem/KemUtilsUnitTest.java

@@ -12,7 +12,7 @@
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 
-public class KemUtilsIntegrationTest {
+public class KemUtilsUnitTest {
     private static KeyPair keyPair;
     public static final String KEM_ALGORITHM = "DHKEM";