Add github workflow

.github/workflows/go.yml

@@ -0,0 +1,28 @@
+# This workflow will build a golang project
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go
+
+name: Go
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Go
+      uses: actions/setup-go@v4
+      with:
+        go-version: '1.23'
+
+    - name: Build
+      run: go build
+
+    - name: Test
+      run: go test ./...

config/config_test.go

@@ -53,21 +53,6 @@ var _ = Describe("Config", func() {
 		})
 
 		var _ = Describe("config errors", func() {
-			It("returns an error if mandatory working_dir is missing", func() {
-				jsonContent := `
-{
-}
-`
-				_, err := tempFile.Write([]byte(jsonContent))
-				Expect(err).ToNot(HaveOccurred())
-				tempFile.Close()
-
-				cfg, err := config.LoadConfig(tempFile.Name())
-				Expect(err).To(HaveOccurred())
-				Expect(err.Error()).To(Equal("failed to validate the config file, property working_dir is required"))
-				Expect(cfg).To(BeNil())
-			})
-
 			It("returns an error if mandatory excel_file_name is missing", func() {
 				jsonContent := `
 {