tests - fix test_fetch_series_by_ids_in_different_datasets

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Status Job ID Name Coverage
  Test
failed #177305
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00:00:40

 
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failed
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        response_json = response.json()
if not response.ok:
message = response_json.get('message')
> raise ValueError("Could not fetch data from URL {!r} because: {}".format(series_page_url, message))
E ValueError: Could not fetch data from URL 'https://api.db.nomics.world/v22//series/BIS/PP-SS?dimensions=%7B%22FREQ%22%3A%5B%22Q%22%5D%2C%22REF_AREA%22%3A%5B%22AU%22%5D%7D&observations=1&offset=0' because: Dataset 'BIS/PP-SS' not found

dbnomics/__init__.py:292: ValueError
========================= 1 failed, 18 passed in 4.57s =========================
ERROR: Job failed: exit code 1