put ending of stream into callback of write

Author: Uzlopak

test/fetch/encoding.js

@@ -21,8 +21,9 @@ test('content-encoding header is case-iNsENsITIve', async (t) => {
 
     gzip.pipe(brotli).pipe(res)
 
-    gzip.write(text)
-    gzip.end()
+    gzip.write(text, () => {
+      gzip.end()
+    })
   }).listen(0)
 
   t.after(closeServerAsPromise(server))
@@ -47,8 +48,9 @@ test('response decompression according to content-encoding should be handled in
 
     deflate.pipe(gzip).pipe(res)
 
-    deflate.write(text)
-    deflate.end()
+    deflate.write(text, () => {
+      deflate.end()
+    })
   }).listen(0)
 
   t.after(closeServerAsPromise(server))
@@ -71,8 +73,9 @@ test('should decompress zstandard response',
       res.setHeader('Content-Type', 'text/plain')
 
       zstd.pipe(res)
-      zstd.write(text)
-      zstd.end()
+      zstd.write(text, () => {
+        zstd.end()
+      })
     }
     ).listen(0)
     t.after(closeServerAsPromise(server))