Moved on_query test to lib testing.

tests/session_test.rs

@@ -112,7 +112,8 @@ fn does_expire_update_on_query() {
 #[test]
 #[ignore = "failing to update"]
 fn are_expired_sessions_removed() {
-    let mut mtt = TestMoreThanText::new();
+    let test_env = TestMoreThanText::new();
+    let mut mtt = test_env.get_morethantext();
     let id = mtt.validate_session(None);
     let mut update = Update::new(doc_name());
     let mut calc = Calculation::new(Operand::Equal);
@@ -127,7 +128,7 @@ fn are_expired_sessions_removed() {
         .get_values_mut()
         .add_field(Name::english("expire"), expire);
     mtt.records(update).unwrap();
-    mtt.send_time_pulse();
+    test_env.send_time_pulse();
     let mut qry = Query::new(doc_name());
     qry.add(Name::english("id"), calc.clone());
     let result = mtt.records(qry).unwrap();