Add integration test for EasyMDE button

(cherry picked from commit 089e37026f)

tests/integration/easymde_test.go

@@ -0,0 +1,25 @@
+// Copyright 2024 The Forgejo Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package integration
+
+import (
+	"net/http"
+	"testing"
+)
+
+func TestEasyMDESwitch(t *testing.T) {
+	session := loginUser(t, "user2")
+	testEasyMDESwitch(t, session, "user2/glob/issues/1", false)
+	testEasyMDESwitch(t, session, "user2/glob/issues/new", false)
+	testEasyMDESwitch(t, session, "user2/glob/wiki?action=_new", true)
+	testEasyMDESwitch(t, session, "user2/glob/releases/new", true)
+}
+
+func testEasyMDESwitch(t *testing.T, session *TestSession, url string, expected bool) {
+	t.Helper()
+	req := NewRequest(t, "GET", url)
+	resp := session.MakeRequest(t, req, http.StatusOK)
+	doc := NewHTMLParser(t, resp.Body)
+	doc.AssertElement(t, ".combo-markdown-editor button.markdown-switch-easymde", expected)
+}