Change JUnit API from 4 to 5 in smack-experimental

smack-experimental/src/test/java/org/jivesoftware/smackx/colors/ConsistentColorsTest.java

@@ -16,8 +16,8 @@
  */
 package org.jivesoftware.smackx.colors;
 
-import static junit.framework.TestCase.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
-import static junit.framework.TestCase.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import org.jivesoftware.smack.test.util.SmackTestSuite;
 

smack-experimental/src/test/java/org/jivesoftware/smackx/eme/ExplicitMessageEncryptionElementTest.java

@@ -16,10 +16,10 @@
  */
 package org.jivesoftware.smackx.eme;
 
-import static junit.framework.TestCase.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
-import static junit.framework.TestCase.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertFalse;
-import static junit.framework.TestCase.assertNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
-import static junit.framework.TestCase.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.util.List;
 

smack-experimental/src/test/java/org/jivesoftware/smackx/hashes/HashElementTest.java

@@ -16,11 +16,11 @@
  */
 package org.jivesoftware.smackx.hashes;
 
-import static junit.framework.TestCase.assertEquals;
-import static junit.framework.TestCase.assertFalse;
-import static junit.framework.TestCase.assertTrue;
 import static org.jivesoftware.smackx.hashes.HashManager.ALGORITHM.SHA_256;
 import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import org.jivesoftware.smack.test.util.SmackTestSuite;
 import org.jivesoftware.smack.test.util.TestUtils;

smack-experimental/src/test/java/org/jivesoftware/smackx/hashes/HashTest.java

@@ -16,7 +16,7 @@
  */
 package org.jivesoftware.smackx.hashes;
 
-import static junit.framework.TestCase.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.jivesoftware.smack.test.util.SmackTestSuite;
 import org.jivesoftware.smack.util.StringUtils;

smack-experimental/src/test/java/org/jivesoftware/smackx/message_markup/MessageMarkupTest.java

@@ -16,8 +16,8 @@
  */
 package org.jivesoftware.smackx.message_markup;
 
-import static junit.framework.TestCase.assertEquals;
 import static org.custommonkey.xmlunit.XMLAssert.assertXMLEqual;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
 import java.util.List;

smack-experimental/src/test/java/org/jivesoftware/smackx/reference/ReferenceTest.java

@@ -16,9 +16,9 @@
  */
 package org.jivesoftware.smackx.reference;
 
-import static junit.framework.TestCase.assertEquals;
-import static junit.framework.TestCase.assertNull;
 import static org.custommonkey.xmlunit.XMLAssert.assertXMLEqual;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
 import java.net.URI;

smack-experimental/src/test/java/org/jivesoftware/smackx/sid/StableUniqueStanzaIdTest.java

@@ -16,11 +16,11 @@
  */
 package org.jivesoftware.smackx.sid;
 
-import static junit.framework.TestCase.assertEquals;
-import static junit.framework.TestCase.assertFalse;
-import static junit.framework.TestCase.assertNotNull;
-import static junit.framework.TestCase.assertTrue;
 import static org.custommonkey.xmlunit.XMLAssert.assertXMLEqual;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import org.jivesoftware.smack.packet.Message;
 import org.jivesoftware.smack.test.util.SmackTestSuite;

smack-experimental/src/test/java/org/jivesoftware/smackx/spoiler/SpoilerTest.java

@@ -16,11 +16,11 @@
  */
 package org.jivesoftware.smackx.spoiler;
 
-import static junit.framework.TestCase.assertEquals;
-import static junit.framework.TestCase.assertNull;
-import static junit.framework.TestCase.assertTrue;
 import static org.custommonkey.xmlunit.XMLAssert.assertXMLEqual;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
 import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.util.Map;