refactor: Move test_account crate to the /tests dir (matter-labs#918)

## What ❔

- Moves `test_account` crate to the `/tests` instead of `/lib`
- Marks is as `publish = false` in Cargo.toml.

## Why ❔

- It's a test-only dep, so it makes more sense there.
- We're going to publish everything in `/lib` soon-ish, so if it'll be
there unpublished, it may be confusing.

## Checklist

<!-- Check your PR fulfills the following items. -->
<!-- For draft PRs check the boxes as you complete them. -->

- [ ] PR title corresponds to the body of PR (we generate changelog
entries from PRs).
- [ ] Tests for the changes have been added / updated.
- [ ] Documentation comments have been added / updated.
- [ ] Code has been formatted via `zk fmt` and `zk lint`.
- [ ] Spellcheck has been run via `zk spellcheck`.

Cargo.toml

@@ -36,9 +36,9 @@ members = [
     "core/lib/vlog",
     "core/lib/multivm",
     "core/lib/web3_decl",
-    "core/lib/test_account",
 
     # Test infrastructure
+    "core/tests/test_account",
     "core/tests/cross_external_nodes_checker",
     "core/tests/loadnext",
     "core/tests/vm-benchmark",

core/lib/multivm/Cargo.toml

@@ -36,6 +36,6 @@ vise = { git = "https://github.com/matter-labs/vise.git", version = "0.1.0", rev
 
 [dev-dependencies]
 tokio = { version = "1", features = ["time"] }
-zksync_test_account = { path = "../test_account" }
+zksync_test_account = { path = "../../tests/test_account" }
 ethabi = "18.0.0"
 zksync_eth_signer = { path = "../eth_signer" }

core/lib/zksync_core/Cargo.toml

@@ -86,7 +86,7 @@ actix-web = "4.0.0-beta.8"
 tracing = "0.1.26"
 
 [dev-dependencies]
-zksync_test_account = { path = "../test_account" }
+zksync_test_account = { path = "../../tests/test_account" }
 
 assert_matches = "1.5"
 jsonrpsee = "0.21.0"

core/lib/test_account/Cargo.toml → core/tests/test_account/Cargo.toml

@@ -9,13 +9,14 @@ license = "MIT OR Apache-2.0"
 keywords = ["blockchain", "zksync"]
 categories = ["cryptography"]
 readme = "README.md"
+publish = false
 
 [dependencies]
-zksync_types = { path = "../types" }
-zksync_system_constants = { path = "../constants" }
-zksync_utils = { path = "../utils" }
-zksync_eth_signer = { path = "../eth_signer" }
-zksync_contracts = { path = "../contracts" }
+zksync_types = { path = "../../lib/types" }
+zksync_system_constants = { path = "../../lib/constants" }
+zksync_utils = { path = "../../lib/utils" }
+zksync_eth_signer = { path = "../../lib/eth_signer" }
+zksync_contracts = { path = "../../lib/contracts" }
 
 hex = "0.4"
 ethabi = "18.0.0"