Add initial tests for importcarto_mem

[p-j-smith]

• Created tests in tests/importCartoMemTest.m
• Use importcarto_mem.m to load the simulation study in the openep-testingdata repository. * There are then a series of simple tests that check whether the expected fields are present in userdata (note - this check is not yet thorough, more fields need to be checked)
• Theres a single test to check that the number of surface points and triangles is as expected. More tests like this should be added.

[codecov[bot]]

Codecov Report

Merging #54 (4115781) into develop (f50b5d5) will increase coverage by 9.22%. The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop      #54      +/-   ##
===========================================
+ Coverage     8.14%   17.37%   +9.22%     
===========================================
  Files          147      147              
  Lines         6862     6862              
===========================================
+ Hits           559     1192     +633     
+ Misses        6303     5670     -633     

Impacted Files	Coverage Δ
private/strstartcmp.m	100.00% <0.00%> (+25.00%)	:arrow_up:
private/strwordpositions.m	39.13% <0.00%> (+39.13%)	:arrow_up:
private/findclosestvertex.m	88.57% <0.00%> (+42.85%)	:arrow_up:
private/xml_readnode.m	54.10% <0.00%> (+54.10%)	:arrow_up:
private/xml_read.m	59.13% <0.00%> (+59.13%)	:arrow_up:
read_ecgfile_v4.m	62.96% <0.00%> (+62.96%)	:arrow_up:
read_forcefile_v2.m	75.00% <0.00%> (+75.00%)	:arrow_up:
getpointelectrogramname.m	75.86% <0.00%> (+75.86%)	:arrow_up:
read_ecgfile_v4_header.m	77.46% <0.00%> (+77.46%)	:arrow_up:
read_positions_on_annotation_v2.m	78.12% <0.00%> (+78.12%)	:arrow_up:
... and 2 more

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[p-j-smith]

The tests run okay on github actions now (I was having some issues setting the correct path to the openep-testingdata directory after downloading it).

To run the tests locally within matlab, make sure the openep-examples and openep-testingdata are both in the path, and also set the path to openep-testingdata as an environment variable:

setenv("OPENEP_TESTING_DATA", "/path/to/openep-testingdata");

and then to run the tests:

results = runtests('/path/to/openep-core', 'IncludeSubfolders', true);