clean up

list/list_test.go

@@ -21,7 +21,6 @@ func intListGen() *rapid.Generator[IList] {
 	}), rapid.Just(Empty()))
 }
 
-// generative tests
 func TestConjIncreasesLength(t *testing.T) {
 	rapid.Check(t, func(t *rapid.T) {
 		myList := intListGen().Draw(t, "myList")
@@ -41,6 +40,7 @@ func TestRestDecreasesLength(t *testing.T) {
 }
 
 func TestFirstIsNilWhenEmpty(t *testing.T) {
+	assert.Equal(t, 1, New(3).Conj(2).Conj(1).First())
 	rapid.Check(t, func(t *rapid.T) {
 		myList := intListGen().Draw(t, "myList")
 		assert.Equal(t, myList.IsEmpty(), myList.First() == nil)