all: remove unnecessary loop variable copies in tests

Copying the loop variable is no longer necessary since Go 1.22.

Change-Id: Iebb21dac44a20ec200567f1d786f105a4ee4999d
Reviewed-on: https://go-review.googlesource.com/c/go/+/711640
Reviewed-by: Florian Lehner <lehner.florian86@gmail.com>
Auto-Submit: Damien Neil <dneil@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>

Author: tklauser

src/archive/zip/reader_test.go

@@ -1213,7 +1213,6 @@ func TestFS(t *testing.T) {
 			[]string{"a/b/c"},
 		},
 	} {
-		test := test
 		t.Run(test.file, func(t *testing.T) {
 			t.Parallel()
 			z, err := OpenReader(test.file)
@@ -1247,7 +1246,6 @@ func TestFSWalk(t *testing.T) {
 			wantErr: true,
 		},
 	} {
-		test := test
 		t.Run(test.file, func(t *testing.T) {
 			t.Parallel()
 			z, err := OpenReader(test.file)

src/context/x_test.go

@@ -838,7 +838,6 @@ func TestCause(t *testing.T) {
 			cause: parentCause,
 		},
 	} {
-		test := test
 		t.Run(test.name, func(t *testing.T) {
 			t.Parallel()
 			ctx := test.ctx()

src/crypto/cipher/ctr_aes_test.go

@@ -145,7 +145,6 @@ func TestCTR_AES_multiblock_random_IV(t *testing.T) {
 	const Size = 100
 
 	for _, keySize := range []int{16, 24, 32} {
-		keySize := keySize
 		t.Run(fmt.Sprintf("keySize=%d", keySize), func(t *testing.T) {
 			key := randBytes(t, r, keySize)
 			aesBlock, err := aes.NewCipher(key)
@@ -164,10 +163,8 @@ func TestCTR_AES_multiblock_random_IV(t *testing.T) {
 			// individually using multiblock implementation to catch edge cases.
 
 			for part1 := 0; part1 <= Size; part1++ {
-				part1 := part1
 				t.Run(fmt.Sprintf("part1=%d", part1), func(t *testing.T) {
 					for part2 := 0; part2 <= Size-part1; part2++ {
-						part2 := part2
 						t.Run(fmt.Sprintf("part2=%d", part2), func(t *testing.T) {
 							_, multiblockCtr := makeTestingCiphers(aesBlock, iv)
 							multiblockCiphertext := make([]byte, len(plaintext))
@@ -216,7 +213,6 @@ func TestCTR_AES_multiblock_overflow_IV(t *testing.T) {
 	}
 
 	for _, keySize := range []int{16, 24, 32} {
-		keySize := keySize
 		t.Run(fmt.Sprintf("keySize=%d", keySize), func(t *testing.T) {
 			for _, iv := range ivs {
 				key := randBytes(t, r, keySize)
@@ -227,7 +223,6 @@ func TestCTR_AES_multiblock_overflow_IV(t *testing.T) {
 
 				t.Run(fmt.Sprintf("iv=%s", hex.EncodeToString(iv)), func(t *testing.T) {
 					for _, offset := range []int{0, 1, 16, 1024} {
-						offset := offset
 						t.Run(fmt.Sprintf("offset=%d", offset), func(t *testing.T) {
 							genericCtr, multiblockCtr := makeTestingCiphers(aesBlock, iv)
 
@@ -260,7 +255,6 @@ func TestCTR_AES_multiblock_XORKeyStreamAt(t *testing.T) {
 	plaintext := randBytes(t, r, Size)
 
 	for _, keySize := range []int{16, 24, 32} {
-		keySize := keySize
 		t.Run(fmt.Sprintf("keySize=%d", keySize), func(t *testing.T) {
 			key := randBytes(t, r, keySize)
 			iv := randBytes(t, r, aesBlockSize)

src/crypto/rsa/rsa_test.go

@@ -212,7 +212,6 @@ func TestEverything(t *testing.T) {
 		max = 2048
 	}
 	for size := min; size <= max; size++ {
-		size := size
 		t.Run(fmt.Sprintf("%d", size), func(t *testing.T) {
 			t.Parallel()
 			priv, err := GenerateKey(rand.Reader, size)

src/crypto/tls/handshake_client_test.go

@@ -2693,7 +2693,6 @@ func TestTLS13OnlyClientHelloCipherSuite(t *testing.T) {
 		},
 	}
 	for _, tt := range tls13Tests {
-		tt := tt
 		t.Run(tt.name, func(t *testing.T) {
 			t.Parallel()
 			testTLS13OnlyClientHelloCipherSuite(t, tt.ciphers)

src/crypto/tls/tls_test.go

@@ -1880,7 +1880,6 @@ func testVerifyCertificates(t *testing.T, version uint16) {
 	rootCAs.AddCert(issuer)
 
 	for _, test := range tests {
-		test := test
 		t.Run(test.name, func(t *testing.T) {
 			t.Parallel()
 

src/crypto/x509/platform_test.go

@@ -202,7 +202,6 @@ func TestPlatformVerifier(t *testing.T) {
 	}
 
 	for _, tc := range tests {
-		tc := tc
 		t.Run(tc.name, func(t *testing.T) {
 			t.Parallel()
 			parent := testRoot

src/database/sql/sql_test.go

@@ -2939,7 +2939,6 @@ func TestConnExpiresFreshOutOfPool(t *testing.T) {
 	db.SetMaxOpenConns(1)
 
 	for _, ec := range execCases {
-		ec := ec
 		name := fmt.Sprintf("expired=%t,badReset=%t", ec.expired, ec.badReset)
 		t.Run(name, func(t *testing.T) {
 			db.clearAllConns(t)

src/debug/buildinfo/buildinfo_test.go

@@ -238,16 +238,13 @@ func TestReadFile(t *testing.T) {
 	}
 
 	for _, p := range platforms {
-		p := p
 		t.Run(p.goos+"_"+p.goarch, func(t *testing.T) {
 			if p != runtimePlatform && !*flagAll {
 				t.Skipf("skipping platforms other than %s_%s because -all was not set", runtimePlatform.goos, runtimePlatform.goarch)
 			}
 			for _, mode := range buildModes {
-				mode := mode
 				t.Run(mode, func(t *testing.T) {
 					for _, tc := range cases {
-						tc := tc
 						t.Run(tc.name, func(t *testing.T) {
 							t.Parallel()
 							name := tc.build(t, p.goos, p.goarch, mode)

src/debug/elf/file_test.go

@@ -1040,7 +1040,6 @@ var relocationTests = []relocationTest{
 
 func TestDWARFRelocations(t *testing.T) {
 	for _, test := range relocationTests {
-		test := test
 		t.Run(test.file, func(t *testing.T) {
 			t.Parallel()
 			f, err := Open(test.file)