Move the rest of the tests to scons

tests/extra_fields/person_with_extra_field.expected

@@ -0,0 +1,14 @@
+name: "Test Person 99"
+id: 99
+email: "test@person.com"
+phone {
+  number: "555-12345678"
+  type: MOBILE
+}
+phone {
+  number: "99-2342"
+}
+phone {
+  number: "1234-5678"
+  type: WORK
+}