Add classes from upstream

lib/src/test/java/com/tribufu/TribufuApiTest.java

@@ -0,0 +1,14 @@
+// Copyright (c) Tribufu. All Rights Reserved
+
+package com.tribufu;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+
+class TribufuApiTest {
+    @Test
+    void defaultApi() {
+        TribufuApi api = new TribufuApi();
+        assertNotEquals(null, api);
+    }
+}

lib/src/test/java/com/tribufu/TribufuBotTest.java

@@ -0,0 +1,14 @@
+// Copyright (c) Tribufu. All Rights Reserved
+
+package com.tribufu;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+
+class TribufuBotTest {
+    @Test
+    void defaultApi() {
+        TribufuBot bot = new TribufuBot("0", "...");
+        assertEquals("0", bot.getBotId());
+    }
+}

lib/src/test/java/com/tribufu/TribufuClientTest.java

@@ -7,8 +7,8 @@ import static org.junit.jupiter.api.Assertions.*;
 
 class TribufuClientTest {
     @Test
-    void clientGetId() {
-        TribufuClient client = new TribufuClient(0, "client_secret");
-        assertEquals(0, client.getId());
+    void defaultApi() {
+        TribufuClient client = new TribufuClient("0", "...");
+        assertEquals("0", client.getClientId());
     }
 }

lib/src/test/java/com/tribufu/TribufuServerTest.java

@@ -0,0 +1,15 @@
+// Copyright (c) Tribufu. All Rights Reserved
+
+package com.tribufu;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+
+class TribufuServerTest {
+    @Test
+    void defaultApi() {
+        TribufuServer server = new TribufuServer("0", "1", "...");
+        assertEquals("0", server.getServerId());
+        assertEquals("1", server.getClientId());
+    }
+}