Add a two argument constructor for Email

Author: oalders

src/main/java/com/maxmind/minfraud/response/Email.java

@@ -21,6 +21,13 @@ public Email(
         this.firstSeen = firstSeen;
     }
 
+    public Email(
+            Boolean isFree,
+            Boolean isHighRisk
+    ) {
+        this(isFree,isHighRisk,null);
+    }
+
     public Email() {
         this(null, null, null);
     }

src/test/java/com/maxmind/minfraud/response/EmailTest.java

@@ -6,6 +6,7 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.assertNull;
 
 public class EmailTest extends AbstractOutputTest {
 
@@ -27,4 +28,22 @@ public void testEmail() throws Exception {
         assertTrue(email.isHighRisk());
         assertEquals(email.getFirstSeen(),"2017-01-02");
     }
+
+    @Test
+    public void testEmailWithoutFirstSeen() throws Exception {
+        Email email = this.deserialize(
+                Email.class,
+                JSON.std
+                        .composeString()
+                        .startObject()
+                        .put("is_free", false)
+                        .put("is_high_risk", true)
+                        .end()
+                        .finish()
+        );
+
+        assertFalse(email.isFree());
+        assertTrue(email.isHighRisk());
+        assertNull(email.getFirstSeen());
+    }
 }