tests: fix test panic

[rjl493456442]

Fix test panic

--- FAIL: TestState (5.11s)
    init_test.go:200: missing test files
    --- FAIL: TestState/stSpecialTest/eoaEmptyParis.json (0.01s)
        --- FAIL: TestState/stSpecialTest/eoaEmptyParis.json/Shanghai/2/hash/trie (0.00s)
panic: runtime error: invalid memory address or nil pointer dereference [recovered]
        panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x2 addr=0x0 pc=0x100cc3210]

goroutine 24268777 [running]:
testing.tRunner.func1.2({0x100ec02e0, 0x1011a0c70})
        /usr/local/go/src/testing/testing.go:1631 +0x1c4
testing.tRunner.func1()
        /usr/local/go/src/testing/testing.go:1634 +0x33c
panic({0x100ec02e0?, 0x1011a0c70?})
        /usr/local/go/src/runtime/panic.go:770 +0x124
github.com/ethereum/go-ethereum/tests.(*StateTest).RunNoVerify(0x1400469ac60, {{0x140098860f0?, 0x50?}, 0x14d696148?}, {0x0, 0x0, 0x0, {0x0, 0x0, 0x0}, ...}, ...)
        /Users/mac/gopath/src/github.com/ethereum/go-ethereum/tests/state_test_util.go:325 +0xbf0
github.com/ethereum/go-ethereum/tests.(*StateTest).Run(0x1400469ac60, {{0x140098860f0?, 0x8?}, 0x2?}, {0x0, 0x0, 0x0, {0x0, 0x0, 0x0}, ...}, ...)
        /Users/mac/gopath/src/github.com/ethereum/go-ethereum/tests/state_test_util.go:199 +0xb8
github.com/ethereum/go-ethereum/tests.execStateTest.func1.1({0x0, 0x0, 0x0, {0x0, 0x0, 0x0}, 0x0})
        /Users/mac/gopath/src/github.com/ethereum/go-ethereum/tests/state_test.go:121 +0xac
github.com/ethereum/go-ethereum/tests.withTrace(0x140008541a0, 0x989680, 0x14002f0df00)
        /Users/mac/gopath/src/github.com/ethereum/go-ethereum/tests/state_test.go:184 +0x64
github.com/ethereum/go-ethereum/tests.execStateTest.func1(0x140008541a0)
        /Users/mac/gopath/src/github.com/ethereum/go-ethereum/tests/state_test.go:119 +0x12c
testing.tRunner(0x140008541a0, 0x14002b82800)
        /usr/local/go/src/testing/testing.go:1689 +0xec
created by testing.(*T).Run in goroutine 23926816
        /usr/local/go/src/testing/testing.go:1742 +0x318
FAIL    github.com/ethereum/go-ethereum/tests   179.337s
ok      github.com/ethereum/go-ethereum/tests/fuzzers/bls12381  1.069s
ok      github.com/ethereum/go-ethereum/tests/fuzzers/bn256     1.862s
ok      github.com/ethereum/go-ethereum/tests/fuzzers/difficulty        2.402s
ok      github.com/ethereum/go-ethereum/tests/fuzzers/rangeproof        1.582s
ok      github.com/ethereum/go-ethereum/tests/fuzzers/secp256k1 1.343s
ok      github.com/ethereum/go-ethereum/tests/fuzzers/txfetcher 2.172s

[holiman]

LGTM