Suppress error if no tests collected in pydantic special Tests

[Taragolis]

#38402 (comment)

Without changes

❯ breeze testing db-tests --pydantic none --parallelism 2 --parallel-test-types "Always Providers[weaviate]"

...

airflow-test-providers_weaviate_default
airflow-test-always_default

Completed 2 out of 2 (100%).


OK  for Test: Always.
NOK for Test: Providers[weaviate]: Return code: 5.

Always OK
Providers[weaviate]

With changes (without pydantic)

❯ breeze testing db-tests --pydantic none --parallelism 2 --parallel-test-types "Always Providers[weaviate]"

...
Extra pytest args: ('--suppress-no-test-exit-code',)
...

────────────────────────────────────────
Progress: Always                        tests/always/test_connection.py ssssssssssssssssssssssssssssssssssssssss [ 18%]
Progress: Providers[weaviate]           ============================== 2 skipped in 0.93s ==============================
───────────────────────────────────────────────────────────────────────────────────────── Time passed: 00:00:42 ──────────────────────────────────────────────────────────────────────────────────────────
airflow-test-always_default

Completed 2 out of 2 (100%).


OK  for Test: Always.
OK  for Test: Providers[weaviate].

Always OK
Providers[weaviate] OK

Tests Always Providers[weaviate] completed successfully

With changes (with pydantic v2)

❯ breeze testing db-tests --parallelism 2 --parallel-test-types "Always Providers[weaviate]"

...
Extra pytest args: ()
...
Completed 2 out of 2 (100%).


OK  for Test: Always.
OK  for Test: Providers[weaviate].

Always OK
Providers[weaviate] OK

Tests Always Providers[weaviate] completed successfully

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[syedahsn]

Nice

[potiuk]

There is a small risk that it will hide problems if for some reason we break test collection