Update error-during-body-write test for protocol-http1 v0.37.1.

Author: samuel-williams-shopify

test/async/http/protocol/http11.rb

@@ -13,25 +13,28 @@
 # Custom error class to track in tests
 class BodyWriteError < StandardError; end
 
-# A custom body class that raises during enumeration.
+# A custom body class that raises during reading.
 class ErrorProneBody < ::Protocol::HTTP::Body::Readable
 	def initialize(...)
 		super(...)
 
 		@error = nil
+		@count = 0
 	end
 
 	attr :error
 
+	def read
+		@count += 1
+		raise BodyWriteError, "error during write" if @count > 1
+		
+		"Hello"
+	end
+	
 	def close(error = nil)
 		@error = error
 		super()
 	end
-	
-	def each
-		super
-		raise BodyWriteError, "error during write"
-	end
 end
 
 describe Async::HTTP::Protocol::HTTP11 do
@@ -70,7 +73,6 @@ def each
 
 			let(:app) do
 				Protocol::HTTP::Middleware.for do |request|
-					# Return a response with a body that will raise during enumeration:
 					Protocol::HTTP::Response[200, {}, body]
 				end
 			end