diff --git a/src/core/client/stream/components/Comment.spec.tsx b/src/core/client/stream/components/Comment.spec.tsx
new file mode 100644
index 000000000..6008bfc3b
--- /dev/null
+++ b/src/core/client/stream/components/Comment.spec.tsx
@@ -0,0 +1,28 @@
+import React from "react";
+import { createRenderer } from "react-test-renderer/shallow";
+import Comment from "./Comment";
+
+it("renders username and body", () => {
+  const props = {
+    author: {
+      username: "Marvin",
+    },
+    body: "Woof",
+  };
+  const renderer = createRenderer();
+  renderer.render(<Comment {...props} />);
+  expect(renderer.getRenderOutput()).toMatchSnapshot();
+});
+
+it("renders with gutterBottom", () => {
+  const props = {
+    author: {
+      username: "Marvin",
+    },
+    body: "Woof",
+    gutterBottom: true,
+  };
+  const renderer = createRenderer();
+  renderer.render(<Comment {...props} />);
+  expect(renderer.getRenderOutput()).toMatchSnapshot();
+});
diff --git a/src/core/client/stream/components/__snapshots__/Comment.spec.tsx.snap b/src/core/client/stream/components/__snapshots__/Comment.spec.tsx.snap
new file mode 100644
index 000000000..4b009e257
--- /dev/null
+++ b/src/core/client/stream/components/__snapshots__/Comment.spec.tsx.snap
@@ -0,0 +1,33 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`renders username and body 1`] = `
+<div
+  className="root"
+>
+  <withPropsOnChange(Typography)
+    className="author"
+    gutterBottom={true}
+  >
+    Marvin
+  </withPropsOnChange(Typography)>
+  <withPropsOnChange(Typography)>
+    Woof
+  </withPropsOnChange(Typography)>
+</div>
+`;
+
+exports[`renders with gutterBottom 1`] = `
+<div
+  className="root gutterBottom"
+>
+  <withPropsOnChange(Typography)
+    className="author"
+    gutterBottom={true}
+  >
+    Marvin
+  </withPropsOnChange(Typography)>
+  <withPropsOnChange(Typography)>
+    Woof
+  </withPropsOnChange(Typography)>
+</div>
+`;
diff --git a/src/core/client/tsconfig.json b/src/core/client/tsconfig.json
index ffb2142b6..a62cea6c5 100644
--- a/src/core/client/tsconfig.json
+++ b/src/core/client/tsconfig.json
@@ -5,40 +5,16 @@
     "module": "esnext",
     "jsx": "preserve",
     "allowJs": false,
-    "lib": [
-      "dom",
-      "es7",
-      "scripthost",
-      "es2015",
-      "esnext.asynciterable"
-    ],
+    "lib": ["dom", "es7", "scripthost", "es2015", "esnext.asynciterable"],
     "baseUrl": "./",
     "paths": {
-      "talk-admin/*": [
-        "./admin/*"
-      ],
-      "talk-stream/*": [
-        "./stream/*"
-      ],
-      "talk-framework/*": [
-        "./framework/*"
-      ],
-      "talk-ui/*": [
-        "./ui/*"
-      ],
-      "talk-common/*": [
-        "../common/*"
-      ],
-      "talk-locales/*": [
-        "../../locales/*"
-      ]
+      "talk-admin/*": ["./admin/*"],
+      "talk-stream/*": ["./stream/*"],
+      "talk-framework/*": ["./framework/*"],
+      "talk-ui/*": ["./ui/*"],
+      "talk-common/*": ["../common/*"]
     }
   },
-  "include": [
-    "./**/*",
-    "../../types/**/*.d.ts"
-  ],
-  "exclude": [
-    "node_modules"
-  ]
-}
\ No newline at end of file
+  "include": ["./**/*", "../../types/**/*.d.ts"],
+  "exclude": ["node_modules"]
+}
diff --git a/src/tsconfig.json b/src/tsconfig.json
index eddf98d29..857892f4d 100644
--- a/src/tsconfig.json
+++ b/src/tsconfig.json
@@ -9,26 +9,13 @@
     "outDir": "../dist",
     // See https://github.com/prismagraphql/graphql-request/issues/26 for why we
     // have to include "dom" here.
-    "lib": [
-      "es6",
-      "esnext.asynciterable",
-      "dom"
-    ],
+    "lib": ["es6", "esnext.asynciterable", "dom"],
     "baseUrl": "./",
     "paths": {
-      "talk-server/*": [
-        "./core/server/*"
-      ],
-      "talk-common/*": [
-        "./core/common/*"
-      ]
+      "talk-server/*": ["./core/server/*"],
+      "talk-common/*": ["./core/common/*"]
     }
   },
-  "include": [
-    "./**/*"
-  ],
-  "exclude": [
-    "node_modules",
-    "./core/client"
-  ]
-}
\ No newline at end of file
+  "include": ["./**/*"],
+  "exclude": ["node_modules", "./core/client"]
+}