[next_stage] Update test plan (#9239)

This updates the test plan of next_stage module because there is no longer a "scan done" option (#8955). This step is removed from the testing instructions.

modules/next_stage/test/TestPlan.md

@@ -9,31 +9,29 @@
    [Automation Testing]
 4. Ensure that you get an error if dates do not match.
    [Automation Testing]
-5. Ensure that you get an error if `scan_done` missing
-   [Manual Testing]
-6. Create a timepoint where the age (date entered minus DoB) falls within the
+5. Create a timepoint where the age (date entered minus DoB) falls within the
    AgeMin and AgeMax for a `test_battery`. The `test_battery` needs to have a 
    matching `cohortID` and a NULL `Visit_label`. There should be no 
    other `test_battery` entries with the `Visit_label` set to the visit label 
    of the timepoint. Ensure that the instruments of the `test_battery` with the 
    NULL `Visit_label` are inserted.
    [Manual Testing]
-7. Create a timepoint where there is a `test_battery` entry for the
+6. Create a timepoint where there is a `test_battery` entry for the
    `Visit_label` and `cohortID`, and start the stage. Ensure that those 
    were inserted into the battery, and NOT the ones based on age (when 
    `Visit_label` is NULL).
    [Manual Testing]
-8. Ensure that any instruments in `test_battery` with firstVisit='Y' where
+7. Ensure that any instruments in `test_battery` with firstVisit='Y' where
    inserted if and only if it's the first timepoint started. Ensure that
    firstVisit='N' instruments are inserted if and only if it is NOT the
    first timepoint started, and firstVisit=null whether or not it's the
    first time point.
    [Manual Testing]
-9. Ensure that if a CenterID is set for a row in the test battery, the
+8. Ensure that if a CenterID is set for a row in the test battery, the
    instrument is inserted for candidates at that centerID (if `Age` is 
    correct and `Visit_label` is NULL or identical to the timepoint's one), 
    and not other centers.
    [Manual Testing]
-10. Ensure that if Active='N' for an instrument in the `test_battery` it is
+9. Ensure that if Active='N' for an instrument in the `test_battery` it is
    NOT inserted even if other criteria pass.
    [Manual Testing]