Fix smoke test, uses pathlib

[delucchi-cmu]

Change Description

Addresses smoke test failure.

There was an unfortunate merge combination with #289 and #288, where one uses os.path.join, and the other removes the import os statement. This updates to use pathlib for test path construction.

Code Quality

• I have read the Contribution Guide
• My code follows the code style of this project
• My code builds (or compiles) cleanly without any errors or warnings
• My code contains relevant comments and necessary documentation

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.69%. Comparing base (b829115) to head (578c46f).
Report is 36 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #290      +/-   ##
==========================================
+ Coverage   93.68%   93.69%   +0.01%     
==========================================
  Files          57       57              
  Lines        1979     1983       +4     
==========================================
+ Hits         1854     1858       +4     
  Misses        125      125              

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[github-actions]

Before [a7338ca]	After [5f9c710]	Ratio	Benchmark (Parameter)
77.1±0.3ms	79.5±2ms	1.03	benchmarks.MetadataSuite.time_load_partition_info_order7
76.9±0.2ms	78.9±2ms	1.03	benchmarks.MetadataSuite.time_load_partition_join_info
123±0.8ms	126±0.4ms	1.02	benchmarks.time_test_alignment_even_sky
13.3±0.1ms	13.4±0.3ms	1.01	benchmarks.Suite.time_inner_pixel_alignment
362±2ms	365±1ms	1.01	benchmarks.Suite.time_outer_pixel_alignment
983±2μs	989±2μs	1.01	benchmarks.time_test_cone_filter_multiple_order
19.2±0.7ms	19.3±0.6ms	1	benchmarks.MetadataSuite.time_load_partition_info_order6
84.0±1ms	83.0±2ms	0.99	benchmarks.Suite.time_paths_creation
41.8±0.5ms	41.3±1ms	0.99	benchmarks.Suite.time_pixel_tree_creation

Click here to view all benchmarks.