Switch test case to not handle arbitrarily large input

[austinabell]

• This test was exiting early because there was invalid utf8 placed in between these statements, but now that it's being processed this test runs for a while to process 1024*1024*10 elements.

My apologies for not noticing this test was really slow when I added support in #196, I didn't consider this was how the test was setup

[codecov[bot]]

Codecov Report

Merging #199 (8b53a81) into master (de3f7d9) will decrease coverage by 0.29%. The diff coverage is 90.47%.

@@            Coverage Diff             @@
##           master     #199      +/-   ##
==========================================
- Coverage   90.38%   90.08%   -0.30%     
==========================================
  Files          17       17              
  Lines        2235     2239       +4     
==========================================
- Hits         2020     2017       -3     
- Misses        215      222       +7     

Impacted Files	Coverage Δ
src/collapse/common.rs	60.26% <0.00%> (-2.57%)	:arrow_down:
src/collapse/dtrace.rs	91.54% <100.00%> (+0.32%)	:arrow_up:
src/collapse/perf.rs	97.35% <100.00%> (+0.01%)	:arrow_up:
src/collapse/sample.rs	95.95% <100.00%> (+0.08%)	:arrow_up:
src/collapse/vtune.rs	94.52% <100.00%> (+0.15%)	:arrow_up:
src/differential/mod.rs	98.36% <100.00%> (+0.02%)	:arrow_up:
src/flamegraph/attrs.rs	93.75% <100.00%> (+0.06%)	:arrow_up:

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[austinabell]

I also noticed you have a CHANGELOG, would you like me to add a point about the change from #196 while I'm here?

[jonhoo]

Oh wow, yeah, that does seem like a weird way for it to test things.

And yes, a changelog entry would be awesome :+1: