Started moving update tests into lib.

tests/support.rs

@@ -5,6 +5,19 @@ pub fn random_name() -> Name {
     Name::english(Uuid::new_v4().to_string().as_str())
 }
 
+pub fn setup_range(count: usize) -> (MoreThanText, TestDocument) {
+    let mut mtt = MoreThanText::new();
+    let test_doc = TestDocument::new(vec![FieldType::Integer]);
+    mtt.create_document(test_doc.get_docdef()).unwrap();
+    let mut data: Vec<Vec<i128>> = Vec::new();
+    for i in 0..count {
+        let holder: i128 = i.try_into().unwrap();
+        data.push(vec![holder]);
+    }
+    test_doc.populate_multiple(&mut mtt, data);
+    (mtt, test_doc)
+}
+
 pub struct TestDocument {
     doc_name: Name,
     field_names: Vec<Name>,