community/traefik: skip slow tests for s390x and riscv64
attempt to skip the intermittent tests without skipping the whole pipeline, mostly for for s390x and riscv64
--- FAIL: TestScalableHistogram (1.08s)
metrics_test.go:34:
Error Trace: github.com/traefik/traefik/v3/pkg/metrics/metrics_test.go:34
Error: Max difference between 500ms and 577.401107ms allowed is 1.5e+07, but difference was -7.7401107e+07
Test: TestScalableHistogram
2024/05/15 14:44:06 failed to upload metrics: Post "http://127.0.0.1:43189/v1/metrics": context canceled
FAIL
coverage: 73.4% of statements
FAIL github.com/traefik/traefik/v3/pkg/metrics 26.522s
--- FAIL: TestRateLimit (0.00s)
--- FAIL: TestRateLimit/period_below_1_second (2.00s)
rate_limiter_test.go:329: rate was slower than expected: 153 requests (wanted > 190) in 2.000498001s
--- FAIL: TestRateLimit/Average_is_respected (2.00s)
rate_limiter_test.go:329: rate was slower than expected: 162 requests (wanted > 190) in 2.000569813s
--- FAIL: TestRateLimit/burst_allowed,_no_bursty_traffic (2.00s)
rate_limiter_test.go:329: rate was slower than expected: 273 requests (wanted > 285) in 2.00068491s
FAIL
coverage: 2.7% of statements
FAIL github.com/traefik/traefik/v3/pkg/middlewares/ratelimiter 60.192s