Test t/deflators/formatnumber.t fails on Ubuntu 20.04

System info: Ubuntu 20.04, perl version 5.30.0, norwegian locale.

$ prove -bv t/deflators/formatnumber.t
t/deflators/formatnumber.t .. 
1..1
not ok 1 - formatted number is there

#   Failed test 'formatted number is there'
#   at t/deflators/formatnumber.t line 23.
Wide character in print at /home/hakon/perlbrew/perls/perl-5.30.0/lib/5.30.0/Test2/Formatter/TAP.pm line 124.
#                   '<form action="" method="post">
# <div>
# <input name="foo" type="text" value="10 002 300,12300000" />
# </div>
# </form>
# '
#     doesn't match '(?^:\"10[,. ]{0,2}002[,. ]{0,2}300[., ]123[,. ]?000[,. ]?00\")'
# Looks like you failed 1 test of 1.
Dubious, test returned 1 (wstat 256, 0x100)
Failed 1/1 subtests 

Test Summary Report
-------------------
t/deflators/formatnumber.t (Wstat: 256 Tests: 1 Failed: 1)
  Failed test:  1
  Non-zero exit status: 1
Files=1, Tests=1,  1 wallclock secs ( 0.01 usr  0.00 sys +  0.25 cusr  0.02 csys =  0.28 CPU)
Result: FAIL

FormFu / HTML-FormFu

Test t/deflators/formatnumber.t fails on Ubuntu 20.04 #64