Restore the import order in the test

Author: Radiokot

cbor/src/test/java/com/fasterxml/jackson/dataformat/cbor/gen/GeneratorSimpleTest.java

@@ -1,16 +1,17 @@
 package com.fasterxml.jackson.dataformat.cbor.gen;
 
-import com.fasterxml.jackson.core.JsonGenerationException;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.dataformat.cbor.*;
-import org.junit.jupiter.api.Test;
-
 import java.io.ByteArrayOutputStream;
 import java.math.BigDecimal;
 import java.math.BigInteger;
 import java.util.LinkedHashMap;
 import java.util.Map;
 
+import org.junit.jupiter.api.Test;
+
+import com.fasterxml.jackson.core.JsonGenerationException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.dataformat.cbor.*;
+
 import static org.junit.jupiter.api.Assertions.*;
 
 public class GeneratorSimpleTest extends CBORTestBase