Djones sv tests

[djones1040]

Fixes #165 #164 #161 .

Description of the Change

Checklist

Please check all that apply to your proposed changes

• HTML code change
• Added package dependency
• Added data
• Changed django model
• Documentation change
• Added or changed TaskRunner

Additional context

[codecov]

Codecov Report

Base: 63.65% // Head: 65.63% // Increases project coverage by +1.98% 🎉

Coverage data is based on head (86209ce) compared to base (5017a04).
Patch coverage: 67.36% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #162      +/-   ##
==========================================
+ Coverage   63.65%   65.63%   +1.98%     
==========================================
  Files          24       24              
  Lines        1593     1711     +118     
==========================================
+ Hits         1014     1123     +109     
- Misses        579      588       +9     

Impacted Files	Coverage Δ
app/host/cutouts.py	27.41% <0.00%> (ø)
app/host/plotting_utils.py	60.68% <ø> (-0.69%)	⬇️
app/host/prospector.py	28.39% <0.00%> (-1.48%)	⬇️
app/host/models.py	90.86% <61.53%> (-2.25%)	⬇️
app/host/transient_tasks.py	64.87% <65.57%> (+3.66%)	⬆️
app/host/host_utils.py	53.40% <81.81%> (+21.02%)	⬆️
app/host/tasks.py	100.00% <100.00%> (ø)
app/host/views.py	75.42% <100.00%> (+3.62%)	⬆️
... and 3 more

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