func TestTemplate(t *testing.T) {
	tests := []struct {
		name string
		tmpl string
		data interface{}
		want string
	}{
		{
			name: "Shallow object",
			tmpl: "Hello, {{ .Field }}!",
			data: struct{ Field pulumi.StringInput }{Field: pulumi.String("world")},
			want: "Hello, world!",
		},
	}
	for _, tt := range tests {
		var wg sync.WaitGroup
		t.Run(tt.name, func(t *testing.T) {
			got := Template(tt.tmpl, tt.data)
			wg.Add(1)
			pulumi.All(got, tt.want).ApplyString(func(args []interface{}) (string, error) {
				a := args[0].(string)
				b := args[1].(string)
				if diff := cmp.Diff(a, b); diff != "" {
					t.Error(diff)
				}
				wg.Done()
				return "", nil
			})
			wg.Wait()
		})
	}
}