Support optional diff formatter fn for eq #375

	name: Run tests
	on:
	push:
	branches: ['*']
	pull_request:
	branches: ['*']

	permissions:
	contents: read

	jobs:
	test:
	strategy:
	matrix:
	go-version: [1.22.x, 1.23.x] # oldest version that can build go mock and official supported go versions
	os: [ubuntu-latest]
	runs-on: ${{ matrix.os }}
	steps:

	- name: Checkout code
	uses: actions/checkout@v3

	- name: Install Go
	uses: actions/setup-go@v4
	with:
	go-version: ${{ matrix.go-version }}
	cache-dependency-path: '**/go.sum'

	- name: Vet and build
	run: \|
	go vet ./...
	go build ./...

	- name: Install mockgen
	run: \|
	go install go.uber.org/mock/mockgen

	- name: Run test script
	run: \|
	./ci/test.sh
	./ci/check_panic_handling.sh

	- name: Run Tests
	run: \|
	for i in $(find $PWD -name go.mod); do
	pushd $(dirname $i)
	go test ./...
	popd
	done

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