diff --git a/test/components/markdown.js b/test/components/markdown.js
new file mode 100644
index 00000000..6dd87053
--- /dev/null
+++ b/test/components/markdown.js
@@ -0,0 +1,38 @@
+/* eslint-env mocha */
+import React from "react"
+import expect from "expect"
+import { render } from "enzyme"
+import Markdown from "components/providers/markdown"
+import { Markdown as OAS3Markdown } from "corePlugins/oas3/wrap-components/markdown.js"
+
+describe.only("Markdown component", function() {
+ describe("Swagger 2.0", function() {
+ it("allows heading elements", function() {
+ const str = `
+# h1
+## h2
+### h3
+#### h4
+##### h5
+###### h6
+ `
+ const el = render()
+ expect(el.html()).toEqual(`
h1
\nh2
\nh3
\nh4
\nh5
\nh6
\n`)
+ })
+ })
+
+ describe("OAS 3", function() {
+ it("allows heading elements", function() {
+ const str = `
+ # h1
+ ## h2
+ ### h3
+ #### h4
+ ##### h5
+ ###### h6
+ `
+ const el = render()
+ expect(el.html()).toEqual(``)
+ })
+ })
+})
diff --git a/test/xss/info-sanitization.js b/test/xss/info-sanitization.js
index 6549aa11..e868fe9f 100644
--- a/test/xss/info-sanitization.js
+++ b/test/xss/info-sanitization.js
@@ -6,7 +6,7 @@ import { fromJS } from "immutable"
import Info from "components/info"
import Markdown from "components/providers/markdown"
-describe.only(" Sanitization", function(){
+describe(" Sanitization", function(){
const dummyComponent = () => null
const components = {
Markdown
diff --git a/test/xss/markdown-script-sanitization.js b/test/xss/markdown-script-sanitization.js
index ef374dd7..9d6624c7 100644
--- a/test/xss/markdown-script-sanitization.js
+++ b/test/xss/markdown-script-sanitization.js
@@ -5,7 +5,7 @@ import { render } from "enzyme"
import Markdown from "components/providers/markdown"
import { Markdown as OAS3Markdown } from "corePlugins/oas3/wrap-components/markdown.js"
-describe.only("Markdown Script Sanitization", function() {
+describe("Markdown Script Sanitization", function() {
describe("Swagger 2.0", function() {
it("sanitizes `