[BEAM-14357] Fix BigqueryFullResultStreamingMatcher unit test

[Abacn]

• patch bigquery.Client in test class

Please add a meaningful description for your change here

The original patch for '_query_with_retry' actually did not work. BigqueryMatcher._query_with_retry still get called. The test passed because timeout checking passed before the first call of this method. In local machine that runs fast enough, it may still make actual bigquery request and fail.

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[Abacn]

R: @pabloem

[codecov]

Codecov Report

Merging #17447 (ef89023) into master (1540b9d) will decrease coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #17447      +/-   ##
==========================================
- Coverage   73.91%   73.90%   -0.01%     
==========================================
  Files         687      687              
  Lines       90334    90334              
==========================================
- Hits        66768    66763       -5     
- Misses      22382    22387       +5     
  Partials     1184     1184              

Flag	Coverage Δ
python	83.63% <ø> (-0.01%)	⬇️

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

Impacted Files	Coverage Δ
sdks/python/apache_beam/utils/interactive_utils.py	90.24% <0.00%> (-2.44%)	⬇️
...python/apache_beam/runners/worker/worker_status.py	77.53% <0.00%> (-2.18%)	⬇️
...eam/runners/interactive/interactive_environment.py	90.18% <0.00%> (-0.31%)	⬇️
...hon/apache_beam/runners/worker/bundle_processor.py	93.26% <0.00%> (-0.13%)	⬇️
...ks/python/apache_beam/runners/worker/sdk_worker.py	89.06% <0.00%> (+0.15%)	⬆️

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[Abacn]

A github action fails due to BEAM-14367 not relevant to this change.

[pabloem]

LGTM!