R Under development (unstable) (2024-05-10 r86529 ucrt) -- "Unsuffered Consequences"
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> 
> if ( requireNamespace("tinytest", quietly=TRUE) ){
+   tinytest::test_package("ggspark")
+ }

test-plot.R...................    0 tests    
test-plot.R...................    0 tests    
test-plot.R...................    0 tests    
test-plot.R...................    0 tests    
test-plot.R...................    0 tests    
test-plot.R...................    0 tests    
(process:195216): Pango-WARNING **: 14:51:03.043: couldn't load font "Liberation Sans Not-Rotated 11.0400390625", falling back to "Sans Not-Rotated 11.0400390625", expect ugly output.

(process:195216): Pango-WARNING **: 14:51:03.058: couldn't load font "Liberation Sans Not-Rotated 8.7998046875", falling back to "Sans Not-Rotated 8.7998046875", expect ugly output.

(process:195216): Pango-WARNING **: 14:51:03.074: couldn't load font "Liberation Sans Not-Rotated 11", falling back to "Sans Not-Rotated 11", expect ugly output.

(process:195216): Pango-WARNING **: 14:51:03.074: couldn't load font "Liberation Sans Not-Rotated 13.2001953125", falling back to "Sans Not-Rotated 13.2001953125", expect ugly output.

test-plot.R...................    1 tests OK 1.4s
All ok, 1 results (1.4s)
> 
> 
> proc.time()
   user  system elapsed 
   2.15    0.98    2.31