Updates the metadata to MDS 3 #1175

	---
	name: Persistent store tests
	on:
	push:
	paths:
	- 'libraries/peristent_store/**'
	pull_request:
	types: [opened, synchronize, reopened]

	jobs:
	persistent_store_test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2

	- name: Unit testing of Persistent store library (release mode)
	uses: actions-rs/cargo@v1
	with:
	command: test
	args: --manifest-path libraries/persistent_store/Cargo.toml --release --features std

	- name: Unit testing of Persistent store library (debug mode)
	uses: actions-rs/cargo@v1
	with:
	command: test
	args: --manifest-path libraries/persistent_store/Cargo.toml --features std

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