Find directories inside the go subfolder and run test for each #13

	name: Go

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	jobs:
	build:
	runs-on: ubuntu-latest
	outputs:
	matrix: ${{ steps.set-matrix.outputs.matrix }}
	steps:
	- name: Check out code
	uses: actions/checkout@v3
	- name: Find directories
	id: set-matrix
	run: \|
	dirs=$(find go -mindepth 1 -type d -exec basename {} \; \| jq -R -s -c 'split("\n")[:-1]')
	echo "matrix=$dirs" >> $GITHUB_OUTPUT

	test:
	needs: build
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	dirs: ${{ fromJson(needs.build.outputs.matrix) }}
	steps:
	- name: Set up Go
	uses: actions/setup-go@v3
	with:
	go-version: 1.18
	- name: Check out code
	uses: actions/checkout@v3
	- name: Run tests in each directory
	run: \|
	for dir in "${{ matrix.dirs }}"; do
	full_dir="go/$dir"
	if [ -d "$full_dir" ]; then
	echo "Running tests in $full_dir"
	(cd "$full_dir" && go test ./...)
	else
	echo "No Go files in $full_dir"
	fi
	done

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