Yet more refactoring of failing tests

Author: cowtowncoder

src/test/java/com/fasterxml/jackson/failing/JacksonInject4218Test.java

@@ -5,12 +5,14 @@
 import com.fasterxml.jackson.annotation.JacksonInject;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonProperty;
+
 import com.fasterxml.jackson.databind.*;
-import com.fasterxml.jackson.databind.json.JsonMapper;
+import com.fasterxml.jackson.databind.testutil.DatabindTestUtil;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
-class JacksonInject4218Test
+// [databind#4218]
+class JacksonInject4218Test extends DatabindTestUtil
 {
     static class Dto {
         @JacksonInject("id")
@@ -46,10 +48,11 @@ public Object findInjectableValue(
         }
     }
 
+    // [databind#4218]
     @Test
-    void test() throws Exception
+    void injectFail4218() throws Exception
     {
-        ObjectReader reader = new JsonMapper()
+        ObjectReader reader = newJsonMapper()
                 .readerFor(Dto.class)
                 .with(new MyInjectableValues());
 

src/test/java/com/fasterxml/jackson/failing/TestObjectIdDeserialization.java renamed to src/test/java/com/fasterxml/jackson/failing/ObjectIdDeserializationFailTest.java

@@ -10,7 +10,7 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.objectid.TestObjectId.Employee;
 import com.fasterxml.jackson.databind.testutil.DatabindTestUtil;
-import com.fasterxml.jackson.failing.TestObjectIdDeserialization.EnumMapCompany.FooEnum;
+import com.fasterxml.jackson.failing.ObjectIdDeserializationFailTest.EnumMapCompany.FooEnum;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertSame;
@@ -22,7 +22,7 @@
  * code (2.4), are included here. Other cases moved to successfully
  * passing tests.
  */
-class TestObjectIdDeserialization extends DatabindTestUtil {
+class ObjectIdDeserializationFailTest extends DatabindTestUtil {
     static class ArrayCompany {
         public Employee[] employees;
     }