diff --git a/lib/workflow/job_test.go b/lib/workflow/job_test.go
index 1459de4..28c4dba 100644
--- a/lib/workflow/job_test.go
+++ b/lib/workflow/job_test.go
@@ -9,9 +9,10 @@ import (
 
 func TestErrorAction_UnmarshalYAML(t *testing.T) {
 	tests := []struct {
-		name  string
-		input []byte
-		want  ErrorAction
+		name    string
+		input   []byte
+		want    ErrorAction
+		wantErr bool
 	}{
 		{
 			name:  "continue",
@@ -63,6 +64,11 @@ func TestErrorAction_UnmarshalYAML(t *testing.T) {
 			input: []byte(`E: stop-run`),
 			want:  ErrorActionStopRun,
 		},
+		{
+			name:    "error on invalid value",
+			input:   []byte(`E: invalid`),
+			wantErr: true,
+		},
 	}
 	type placeholder struct {
 		E ErrorAction `yaml:"E"`
@@ -71,6 +77,10 @@ func TestErrorAction_UnmarshalYAML(t *testing.T) {
 		t.Run(tt.name, func(t *testing.T) {
 			var placeholder placeholder
 			err := yaml.Unmarshal(tt.input, &placeholder)
+			if tt.wantErr {
+				assert.Error(t, err)
+				return
+			}
 			if !assert.NoError(t, err) {
 				return
 			}