Fix deflate to closer match httpbin

Author: pimterry

src/endpoints/http/encoding/deflate.ts

@@ -5,9 +5,10 @@ import { HttpEndpoint, HttpHandler } from '../../http-index.js';
 // We pre-decode the data. Note that this differs from HTTPBin which returns
 // dynamic data here - for this reason, we use a subdirectory. Dynamic encoding
 // is relatively expensive so we don't want that. Instead we just use the same
-// static data every time, including only a 'deflate' field.
+// static data every time, including only a 'deflated' field (which does match
+// HTTPBin at least, for that one field).
 const data = zlib.deflateSync(serializeJson({
-    deflate: true
+    deflated: true
 }));
 
 const matchPath = (path: string) => path === '/encoding/deflate';

test/encodings.spec.ts

@@ -27,7 +27,7 @@ describe('Encoding Endpoints', () => {
         },
         {
             name: 'deflate',
-            expectedJson: { deflate: true }
+            expectedJson: { deflated: true }
         },
         {
             name: 'brotli',