func TestDocumentGetStringSetReturnsAnEmptyStringSetWhenTheKeyDoesNotExist(t *testing.T) {
doc := dynago.Document{}
assert.Equal(t, dynago.StringSet{}, doc.GetStringSet("vals"))
}
func TestDocumentGetStringSetPanic(t *testing.T) {
doc := dynago.Document{"vals": "not-a-string-slice"}
assert.Panics(t, func() {
doc.GetStringSet("vals")
})
}
func TestDocumentGetStringSetReturnsTheStringSetValue(t *testing.T) {
doc := dynago.Document{"vals": dynago.StringSet{"val1", "val2"}}
assert.Equal(t, dynago.StringSet{"val1", "val2"}, doc.GetStringSet("vals"))
}