Added unit test for subtitle component

package-lock.json

@@ -28673,4 +28673,4 @@
       "integrity": "sha512-V50KMwwzqJV0NpZIZFwfOD5/lyny3WlSzRiXgA0G7VUnRlqttta1L6UQIHzd6EuBY/cHGfwTIck7w1yH6Q5zUw=="
     }
   }
-}
+}

src/components/__tests__/__snapshots__/subtitle.test.js.snap

@@ -0,0 +1,19 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Subtitle renders correctly 1`] = `
+<div
+  className="flex justify-center items-start flex-col w-full px-2 sm:px-6 mb-10"
+>
+  <div
+    className="text-xl sm:text-2xl font-bold font-title mt-2 mb-2"
+  >
+    Subtitle
+  </div>
+  <input
+    className="outline-none w-full text-xs sm:text-lg sm:w-1/2 border-t-0 border-l-0 border-r-0 border solid border-gray-900 py-1 px-2 focus:border-blue-700"
+    id="subtitle"
+    onChange={[Function]}
+    value="A passionate frontend developer from India"
+  />
+</div>
+`;

src/components/__tests__/subtitle.test.js

@@ -0,0 +1,13 @@
+import React from "react"
+import renderer from "react-test-renderer"
+
+import Subtitle from "../subtitle"
+
+describe("Subtitle", () => {
+  it("renders correctly", () => {
+    const tree = renderer
+      .create(<Subtitle data={{ subtitle: "A passionate frontend developer from India" }} />)
+      .toJSON()
+    expect(tree).toMatchSnapshot()
+  })
+})