Fix fafbseg inner_join / tests

[jefferis]

Some issues that have come up with dependency and dataset changes

[codecov[bot]]

Codecov Report

Merging #176 (089d018) into master (1db50ae) will increase coverage by 0.05%. The diff coverage is 71.73%.

:exclamation: Current head 089d018 differs from pull request most recent head 254f4b7. Consider uploading reports for the commit 254f4b7 to get more accurate results

@@            Coverage Diff             @@
##           master     #176      +/-   ##
==========================================
+ Coverage   53.96%   54.01%   +0.05%     
==========================================
  Files          37       37              
  Lines        4481     4497      +16     
==========================================
+ Hits         2418     2429      +11     
- Misses       2063     2068       +5     

Impacted Files	Coverage Δ
R/autosyn.R	46.47% <0.00%> (+0.17%)	:arrow_up:
R/flywire-arrow.R	81.48% <ø> (ø)
R/flytable.R	69.92% <90.32%> (+0.59%)	:arrow_up:
R/flywire-api.R	80.36% <100.00%> (-1.15%)	:arrow_down:
R/flywire-urls.R	78.84% <100.00%> (+0.20%)	:arrow_up:
R/utils.R	48.45% <100.00%> (ø)

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