Incorrect TestDox output for data provider with indexed array

[kubawerlos]

Extending test case would produce the failure:

--- Expected
+++ Actual
@@ @@
  ✔ Does something with data set "two"
  ✔ Does something else with data set "one"
  ✔ Does something else with data set "two"
- ✔ With provider with indexed array with data set #0
- ✔ With provider with indexed array with data set #1
+ ✔ With provider with indexed array with data set ""
+ ✔ With provider with indexed array with data set ""
  ✔ ... true ...
  ✔ ... 1 ...
  ✔ ... 1.0 ...

[codecov-io]

Codecov Report

Merging #3321 into master will decrease coverage by 0.02%.
The diff coverage is 100%.

@@             Coverage Diff              @@
##             master    #3321      +/-   ##
============================================
- Coverage     82.61%   82.59%   -0.03%     
  Complexity     3533     3533              
============================================
  Files           143      143              
  Lines          9331     9331              
============================================
- Hits           7709     7707       -2     
- Misses         1622     1624       +2

Impacted Files	Coverage Δ	Complexity Δ
src/Util/TestDox/NamePrettifier.php	98.78% <100%> (ø)	36 <0> (ø)	⬇️
src/Framework/TestCase.php	76.14% <0%> (-0.25%)	304% <0%> (ø)

---

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[sebastianbergmann]

Merged manually, thanks.