[web] Add a TFlow class to js/ducks/tutils.js

Many Components requires a flow object when being rendered, so we put a TFlow
class here, currently has the minimize structure, only contains the
attributes we needed in the components to be tested.

web/src/js/__tests__/ducks/tutils.js

@@ -7,3 +7,30 @@ export function createStore(parts) {
         applyMiddleware(...[thunk])
     )
 }
+
+export function TFlow(intercepted=false, marked=false, modified=false) {
+    return {
+        intercepted : intercepted,
+        marked : marked,
+        modified: modified,
+        id: "foo",
+        request: {
+            scheme: 'http',
+            is_replay: true,
+            method: 'GET',
+            contentLength: 100
+        },
+        response: {
+            status_code: 200,
+            headers: [["Content-Type", 'text/html']],
+            timestamp_end: 200
+        },
+        error: {
+            msg: ''
+        },
+        server_conn: {
+            timestamp_start: 100
+        },
+        type: 'http'
+    }
+}