Move /e2e -> /e2e-tests

e2e-tests/cypress/tests/plugins/post_message_as.js

@@ -0,0 +1,44 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+const axios = require('axios');
+
+module.exports = async ({sender, message, channelId, rootId, createAt = 0, baseUrl}) => {
+    const loginResponse = await axios({
+        url: `${baseUrl}/api/v4/users/login`,
+        headers: {'X-Requested-With': 'XMLHttpRequest'},
+        method: 'post',
+        data: {login_id: sender.username, password: sender.password},
+    });
+
+    const setCookie = loginResponse.headers['set-cookie'];
+    let cookieString = '';
+    setCookie.forEach((cookie) => {
+        const nameAndValue = cookie.split(';')[0];
+        cookieString += nameAndValue + ';';
+    });
+
+    let response;
+    try {
+        response = await axios({
+            url: `${baseUrl}/api/v4/posts`,
+            headers: {
+                'Content-Type': 'application/json',
+                'X-Requested-With': 'XMLHttpRequest',
+                Cookie: cookieString,
+            },
+            method: 'post',
+            data: {
+                channel_id: channelId,
+                message,
+                type: '',
+                create_at: createAt,
+                root_id: rootId,
+            },
+        });
+    } catch (err) {
+        expect(Boolean(err)).to.equal(false);
+    }
+
+    return {status: response.status, data: response.data};
+};