refactor(starter): upgrade and move to typescript

src/components/Post/Post.test.tsx

@@ -17,24 +17,8 @@ describe("Post", () => {
     mockedUseStaticQuery.mockReturnValue(mocks.siteMetadata);
   });
 
-  const props = {
-    post: {
-      id: "test-123",
-      html: "<p>test</p>",
-      fields: {
-        slug: "/test",
-        categorySlug: "/test-category",
-        tagSlugs: ["/test_0", "/test_1"],
-      },
-      frontmatter: {
-        date: "2016-09-01",
-        tags: ["test_0", "test_1"],
-        title: "test",
-      },
-    },
-  };
-
   it("renders correctly", () => {
+    const props = { post: mocks.markdownRemark };
     const tree = renderer.create(<Post {...props} />).toJSON();
     expect(tree).toMatchSnapshot();
   });