Changes match operator to fix test flakiness

[kelsos]

It should fix the ui test flakiness due to match also matching any string containing the number

[codecov]

Codecov Report

Merging #1594 into develop will increase coverage by 0.36%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop    #1594      +/-   ##
===========================================
+ Coverage    70.97%   71.33%   +0.36%     
===========================================
  Files          344      359      +15     
  Lines        16793    19514    +2721     
  Branches      2334     2767     +433     
===========================================
+ Hits         11919    13921    +2002     
- Misses        4307     4877     +570     
- Partials       567      716     +149     

Flag	Coverage Δ
#backend	80.89% <ø> (-1.75%)	⬇️
#frontend_integration	51.16% <ø> (-0.03%)	⬇️
#frontend_unit	23.08% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
frontend/app/src/store/tasks/mutations.ts	94.11% <0.00%> (-5.89%)	⬇️
rotkehlchen/externalapis/etherscan.py	76.08% <0.00%> (-4.35%)	⬇️
rotkehlchen/chain/ethereum/yearn/vaults.py	83.08% <0.00%> (-3.49%)	⬇️
rotkehlchen/accounting/accountant.py	85.04% <0.00%> (-1.87%)	⬇️
rotkehlchen/chain/ethereum/makerdao/vaults.py	87.81% <0.00%> (-1.80%)	⬇️
frontend/app/src/services/task-manager.ts	55.35% <0.00%> (-1.79%)	⬇️
rotkehlchen/premium/sync.py	81.75% <0.00%> (-0.73%)	⬇️
rotkehlchen/rotkehlchen.py	82.74% <0.00%> (ø)
rotkehlchen/exchanges/__init__.py	100.00% <0.00%> (ø)
rotkehlchen/exchanges/binance.py	85.97% <0.00%> (ø)
... and 21 more

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[LefterisJP]

Heh interesting. I will take your word for it. And approve. Which particular UI tests issue does this close?

[kelsos]

We didn't have an issue for that, but I had a todo long due.
The problem was mostly in the .not.matches where not matches 1.21 for example would fail when the value was 41.21...