PVF: Add worker check during tests and benches (#1771)

Cargo.lock

@@ -12184,9 +12184,11 @@ dependencies = [
  "always-assert",
  "assert_matches",
  "cfg-if",
+ "criterion 0.4.0",
  "futures",
  "futures-timer",
  "hex-literal",
+ "is_executable",
  "libc",
  "parity-scale-codec",
  "pin-project",
@@ -12200,11 +12202,11 @@ dependencies = [
  "polkadot-parachain-primitives",
  "polkadot-primitives",
  "rand 0.8.5",
+ "rococo-runtime",
  "slotmap",
  "sp-core",
  "sp-maybe-compressed-blob",
  "sp-wasm-interface",
- "substrate-build-script-utils",
  "tempfile",
  "test-parachain-adder",
  "test-parachain-halt",
@@ -12912,6 +12914,7 @@ dependencies = [
  "sc-telemetry",
  "sc-transaction-pool",
  "sc-transaction-pool-api",
+ "schnellru",
  "serde",
  "serde_json",
  "serial_test",