Tests: TestModel - Add emum Role

test/java/foundation/pEp/jniadapter/test/utils/model/Role.java

@@ -0,0 +1,19 @@
+package foundation.pEp.jniadapter.test.utils.model;
+
+public enum Role {
+    ALICE() {
+        public String toString() {
+            return "alice";
+        }
+    },
+    BOB() {
+        public String toString() {
+            return "bob";
+        }
+    },
+    CAROL() {
+        public String toString() {
+            return "carol";
+        }
+    };
+}