Revert "net/http: test that ParseMultipartForm returns an error for int overflow"

This reverts CL 254977.

Reason for revert: introduced test failures on longtest builders.

Change-Id: I75e868245f980189ad85dd4103d9178989e06ecf
Reviewed-on: https://go-review.googlesource.com/c/go/+/263658
Trust: Bryan C. Mills <[email protected]>
Run-TryBot: Bryan C. Mills <[email protected]>
TryBot-Result: Go Bot <[email protected]>
Reviewed-by: Carlos Amedee <[email protected]>
Reviewed-by: Dmitri Shuralyov <[email protected]>

Author: Bryan C. Mills

src/net/http/request_test.go

@@ -13,7 +13,6 @@ import (
 	"fmt"
 	"io"
 	"io/ioutil"
-	"math"
 	"mime/multipart"
 	. "net/http"
 	"net/http/httptest"
@@ -246,41 +245,6 @@ func TestParseMultipartForm(t *testing.T) {
 	}
 }
 
-// Issue #40430: ParseMultipartForm should return error for int overflow
-func TestMaxInt64ForMultipartFormMaxMemory(t *testing.T) {
-	cst := httptest.NewServer(HandlerFunc(func(rw ResponseWriter, req *Request) {
-		if err := req.ParseMultipartForm(math.MaxInt64); err != nil {
-			Error(rw, err.Error(), StatusBadRequest)
-			return
-		}
-	}))
-	defer cst.Close()
-	fBuf := new(bytes.Buffer)
-	mw := multipart.NewWriter(fBuf)
-	mf, err := mw.CreateFormFile("file", "myfile.txt")
-	if err != nil {
-		t.Fatal(err)
-	}
-	if _, err := mf.Write(bytes.Repeat([]byte("abc"), 1<<10)); err != nil {
-		t.Fatal(err)
-	}
-	if err := mw.Close(); err != nil {
-		t.Fatal(err)
-	}
-	req, err := NewRequest("POST", cst.URL, fBuf)
-	if err != nil {
-		t.Fatal(err)
-	}
-	req.Header.Set("Content-Type", mw.FormDataContentType())
-	res, err := cst.Client().Do(req)
-	if err != nil {
-		t.Fatal(err)
-	}
-	if g, w := res.StatusCode, StatusBadRequest; g != w {
-		t.Fatalf("Status code mismatch: got %d, want %d", g, w)
-	}
-}
-
 func TestRedirect_h1(t *testing.T) { testRedirect(t, h1Mode) }
 func TestRedirect_h2(t *testing.T) { testRedirect(t, h2Mode) }
 func testRedirect(t *testing.T, h2 bool) {