message: [pdsl_test] Add test-env crate feature to pdsl_tests
  This makes it compile again.
diff: @@ -27,3 +27,6 @@ pdsl_core = { path = "../pdsl_core" }
  parity-codec = { version = "2.0.4", default-features = false }
  parity-codec-derive = { version = "2.0.4", default-features = false }
  wee_alloc = "0.4"
  +
  +[features]
  +test-env = ["pdsl_core/test-env"]
  