add dummy pallet with frame crate

substrate/frame/support/test/pallet_frame_crate/Cargo.toml

@@ -0,0 +1,29 @@
+[package]
+name = "frame-support-test-pallet-frame-crate"
+version = "4.0.0-dev"
+authors.workspace = true
+edition.workspace = true
+license = "Apache-2.0"
+publish = false
+homepage = "https://substrate.io"
+repository.workspace = true
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[dependencies]
+codec = { package = "parity-scale-codec", version = "3.6.1", default-features = false, features = ["derive"] }
+scale-info = { version = "2.0.0", default-features = false, features = ["derive"] }
+serde = { version = "1.0.188", default-features = false, features = ["derive"] }
+frame = { path = "frame", default-features = false}
+sp-runtime = { path = "../../../../primitives/runtime", default-features = false}
+
+[features]
+default = [ "std" ]
+std = [
+	"codec/std",
+	"frame/std",
+	"scale-info/std",
+	"serde/std",
+	"sp-runtime/std",
+]

substrate/frame/support/test/pallet_frame_crate/frame/Cargo.toml

@@ -0,0 +1,23 @@
+[package]
+name = "frame"
+version = "4.0.0-dev"
+authors.workspace = true
+edition.workspace = true
+license = "Apache-2.0"
+publish = false
+homepage = "https://substrate.io"
+repository.workspace = true
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[dependencies]
+frame-system = { path = "../../../../system", default-features = false}
+frame-support = { path = "../../..", default-features = false}
+
+[features]
+default = [ "std" ]
+std = [
+	"frame-system/std",
+	"frame-support/std",
+]

substrate/frame/support/test/pallet_frame_crate/frame/src/lib.rs

@@ -0,0 +1,4 @@
+pub mod deps {
+	pub use frame_support;
+	pub use frame_system;
+}

substrate/frame/support/test/pallet_frame_crate/src/lib.rs

@@ -0,0 +1,61 @@
+// This file is part of Substrate.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//! A basic pallet that can be used to test `construct_runtime!` when `frame_system` and
+//! `frame_support` are reexported by a `frame` crate.
+
+// Ensure docs are propagated properly by the macros.
+#![warn(missing_docs)]
+
+pub use pallet::*;
+
+#[frame::deps::frame_support::pallet]
+pub mod pallet {
+	use frame::deps::frame_support::pallet_prelude::*;
+
+	#[pallet::pallet]
+	pub struct Pallet<T>(_);
+
+	#[pallet::config]
+	// The only valid syntax here is the following or
+	// ```
+	// pub trait Config: frame_system::Config {}
+	// ```
+	// if `frame_system` is brought into scope.
+	pub trait Config: frame::deps::frame_system::Config {}
+
+	#[pallet::storage]
+	pub type Value<T> = StorageValue<_, u32>;
+
+	#[pallet::genesis_config]
+	#[derive(frame::deps::frame_support::DefaultNoBound)]
+	pub struct GenesisConfig<T: Config> {
+		#[serde(skip)]
+		_config: core::marker::PhantomData<T>,
+	}
+
+	#[pallet::genesis_build]
+	impl<T: Config> BuildGenesisConfig for GenesisConfig<T> {
+		fn build(&self) {}
+	}
+
+	#[pallet::error]
+	pub enum Error<T> {
+		/// Something failed
+		Test,
+	}
+}