Update TypeAliasRegistryTest.java

Author: hazendaz

src/test/java/org/apache/ibatis/type/TypeAliasRegistryTest.java

@@ -15,13 +15,15 @@
  */
 package org.apache.ibatis.type;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertThatThrownBy;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
 import java.math.BigDecimal;
 
 import org.junit.jupiter.api.Test;
 
-import static org.assertj.core.api.Assertions.*;
-import static org.junit.jupiter.api.Assertions.*;
-
 class TypeAliasRegistryTest {
 
   @Test