You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: fuzz_test.go
    path of file: ./repos/cosmos-sdk/x/tx/signing/textual
    
    the code of the file until where you have to start completion: package textual_test

import (
	"bytes"
	"context"
	"encoding/json"
	"os"
	"regexp"
	"testing"

	"github.com/google/go-cmp/cmp"
	"google.golang.org/protobuf/reflect/protoreflect"
	"google.golang.org/protobuf/testing/protocmp"
	tspb "google.golang.org/protobuf/types/known/timestamppb"

	basev1beta1 "cosmossdk.io/api/cosmos/base/v1beta1"
	"cosmossdk.io/x/tx/internal/testpb"
	"cosmossdk.io/x/tx/signing/textual"
)

func FuzzIntValueRendererParse(f *testing.F) {
	if testing.Short() {
		f.Skip()
	}

	// 1. Firstly add some seeds
	f.Add("10.11")
	f.Add("-10.11")
	f.Add("0.999999")
	f.Add(".999999")
	f.Add("1'000.999999")
	f.Add("1'000'111")
	f.Add("340'282'366'920'938'463'463'374'607'431'768'211'455")

	// 2. Next setup and run the fuzzer.
	ivr := textual.NewIntValueRenderer(fieldDescri
    
func FuzzCoinsJSONTestcases(f *testing.F) {
	f.Skip() // https://github.com/cosmos/cosmos-sdk/pull/16521#issuecomment-1614507574

	// Generate some seeds.
	seed, err := os.ReadFile("./internal/testdata/coins.json")
	if err != nil {
		f.Fatal(err)
	}
	f.Add(seed)

	txt, err := textual.NewSignModeHandler(textual.SignModeOptions{CoinMetadataQuerier: mockCoinMetadataQuerier})
	if err != nil {
		f.Fatal(err)
	}
	rend, err := txt.GetFieldValueRenderer(fieldDescriptorFromName("COINS"))
	if err != nil {
		f.Fatal(err)
	}
	vrr := rend.(textual.RepeatedValueRenderer)

	f.Fuzz(func(t *testing.T, input []byte) {
		var testCases []coinsJSONTest
		if err := json.Unmarshal(input, &testCases); err != nil {
			return
		}

		for _, tc := range testCases {
			if tc.Proto == nil {
				continue
			}

			// Create a context.Context containing all coins metadata, to simulate
			// that they are in state.
			ctx := context.Background()
			for _, v := range tc.Metadata {
				ctx = addMetadataToContext(ctx, v)
			}

			listValue := NewGenericList(tc.Proto)
			screens, err := vrr.FormatRepeated(ctx, protoreflect.ValueOf(listValue))
			if err != nil {
				cpt := tc.Proto[0]
				likeEmpty := err.Error() == "cannot format empty string" || err.Error() == "decimal string cannot be empty"
				if likeEmpty && (!reCoinDenom.MatchString(cpt.Denom) || cpt.Amount == "") {
					return
				}
				if !reCoinDenom.MatchString(cpt.Denom) {
					return
				}
				if !reCoinAmount.MatchString(cpt.Amount) {
					return
				}
				t.Fatalf("%v\n%q\n%#v => %t", err, tc.Text, cpt, cpt.Amount == "")
			}

			if g, w := len(screens), 1; g != w {
				t.Fatalf("Screens mismatch: got=%d want=%d", g, w)
			}

			wantContent := tc.Text
			if wantContent == "" {
				wantContent = "zero"
			}
			if false {
				if g, w := screens[0].Content, wantContent; g != w {
					t.Fatalf("Content mismatch:\n\tGot:  %s\n\tWant: %s", g, w)
				}
			}

			// Round trip.
			parsedValue := NewGenericList([]*basev1beta1.Coin{})
			if err := vrr.ParseRepeated(ctx, screens, parsedValue); err != nil {
				return
			}
			checkCoinsEqual(t, listValue, parsedValue)
		}
	})
}