Fix missing step parameter substitution

[elchupanebrej]

This defect blocks allure-pytest-bdd plugin to work with pytest>5.0

allure-framework/allure-python#660

[codecov]

Codecov Report

Merging #519 (b8579f2) into master (a75fc05) will increase coverage by 0.03%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #519      +/-   ##
==========================================
+ Coverage   92.69%   92.72%   +0.03%     
==========================================
  Files          48       48              
  Lines        1642     1650       +8     
  Branches      176      176              
==========================================
+ Hits         1522     1530       +8     
  Misses         82       82              
  Partials       38       38              

Impacted Files	Coverage Δ
pytest_bdd/parser.py	97.94% <100.00%> (+0.03%)	⬆️
tests/feature/test_steps.py	100.00% <100.00%> (ø)

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[youtux]

Hi, I instead fixed the problem by parsing the <...> text only in Scenario Outline (#524)

[youtux]

I hope this fixes the issue with allure-pytest-bdd

[youtux]

I just published version 6.0.0 of pytest-bdd, which includes this fix.