add unittest for upload geojson

[boney-bun]

fix #405

[codecov[bot]]

Codecov Report

Merging #470 into 2.8.x-qgis_server will increase coverage by 0.03%. The diff coverage is 100%.

@@                  Coverage Diff                  @@
##           2.8.x-qgis_server     #470      +/-   ##
=====================================================
+ Coverage               41.5%   41.53%   +0.03%     
=====================================================
  Files                    403      403              
  Lines                  28867    28877      +10     
  Branches                3666     3667       +1     
=====================================================
+ Hits                   11980    11993      +13     
+ Misses                 16142    16140       -2     
+ Partials                 745      744       -1

Impacted Files	Coverage Δ
geonode/qgis_server/tests/test_views.py	99.72% <100%> (ø)	:arrow_up:
geonode/utils.py	52.47% <0%> (+0.41%)	:arrow_up:

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[boney-bun]

thanks for the review @lucernae it's all green now.

i'm going to merge this.