Fixed send message and added intiial seen chat tests

test/api/v3/integration/chat/POST-chat_seen.test.js

@@ -0,0 +1,32 @@
+import {
+  createAndPopulateGroup,
+} from '../../../../helpers/api-v3-integration.helper';
+
+describe('POST /groups/:id/chat/seen', () => {
+  let groupWithChat, message, author, member;
+
+  before(async () => {
+    let { group, groupLeader, members } = await createAndPopulateGroup({
+      groupDetails: {
+        type: 'guild',
+        privacy: 'public',
+      },
+      members: 1,
+    });
+
+    groupWithChat = group;
+    author = groupLeader;
+    member = members[0];
+
+    message = await author.post(`/groups/${groupWithChat._id}/chat`, { message: 'Some message' });
+    message = message.message;
+  });
+
+  it('clears new messages', async () => {
+    await member.post(`/groups/${groupWithChat._id}/chat/seen`);
+
+    let userThatHasSeenChat = await member.get('/user');
+
+    expect(userThatHasSeenChat.newMessages).to.be.empty;
+  });
+});