Revert "Respond with 400 on request parse failure" (#4593)

readRequest should not write a response.

This reverts commit 017a611131a35ccf5dbfce6a2a665fa569e32ec1.

1 files changed, 2 insertions, 2 deletions

diff --git a/std/http/mock.ts b/std/http/mock.ts
index e84f9ad7b..64bd3fcb9 100644
--- a/std/http/mock.ts
+++ b/std/http/mock.ts
@@ -17,8 +17,8 @@ export function mockConn(base: Partial<Deno.Conn> = {}): Deno.Conn {
     read: (): Promise<number | Deno.EOF> => {
       return Promise.resolve(0);
     },
-    write: (p: Uint8Array): Promise<number> => {
-      return Promise.resolve(p.length);
+    write: (): Promise<number> => {
+      return Promise.resolve(-1);
     },
     close: (): void => {},
     ...base,