[ION-99] fix simulation error + restruct the way to testing #238

	name: testing

	on:
	push:
	paths:
	- "contracts/**"
	branches:
	- main
	pull_request:
	paths:
	- "contracts/**"
	branches:
	- main

	jobs:
	unit-test:
	name: unit-test
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v3
	with:
	fetch-depth: 1

	- name: Cache dependencies
	uses: actions/cache@v3
	with:
	path: \|
	~/.cargo/bin/
	~/.cargo/registry/index/
	~/.cargo/registry/cache/
	~/.cargo/git/db/
	target/
	key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

	- name: Load toolchain
	uses: dtolnay/rust-toolchain@stable
	with:
	toolchain: stable
	targets: wasm32-unknown-unknown
	- run: cargo fetch --verbose
	- run: cargo build
	- run: cargo wasm
	- run: cargo test --verbose --all

	coverage:
	name: coverage
	runs-on: ubuntu-latest
	container:
	image: xd009642/tarpaulin:develop-nightly
	options: --security-opt seccomp=unconfined
	steps:
	- name: Checkout repository
	uses: actions/checkout@v3

	- name: Cache dependencies
	uses: actions/cache@v3
	with:
	path: \|
	~/.cargo/bin/
	~/.cargo/registry/index/
	~/.cargo/registry/cache/
	~/.cargo/git/db/
	target/
	key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

	- run: rustup target add wasm32-unknown-unknown
	- run: cargo wasm

	- name: Generate code coverage
	run: \|
	cargo +nightly tarpaulin --verbose --lib --timeout 120 --out Xml

	- name: Upload to codecov.io
	uses: codecov/codecov-action@v3
	with:
	token: ${{secrets.CODECOV_TOKEN}}
	fail_ci_if_error: true

Provide feedback