Allow for test runs over 4 hours

[jgebal]

Resolves #1242

Refactored output buffers to have better segregation of responsibilities.

Changed behavior of output buffers get_lines procedure to stop immediately after consuming all produced data if producer has stopped.
Changed behavior of output buffers get_lines procedure not to timeout after 4 hours, if producer is still running.

[github-actions]

Unit Test Results

       1 files         2 suites   5m 21s ⏱️
1 027 tests 1 023 ✔️ 4 💤 0 ❌
1 030 runs  1 022 ✔️ 8 💤 0 ❌

Results for commit 865785a.

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

Base: 95.13% // Head: 94.84% // Decreases project coverage by -0.29% ⚠️

Coverage data is based on head (865785a) compared to base (315e5c6).
Patch coverage: 91.08% of modified lines in pull request are covered.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1243      +/-   ##
===========================================
- Coverage    95.13%   94.84%   -0.29%     
===========================================
  Files          108      108              
  Lines         5093     5105      +12     
  Branches        22       23       +1     
===========================================
- Hits          4845     4842       -3     
- Misses         240      255      +15     
  Partials         8        8              

Flag	Coverage Δ
11XE	94.27% <90.90%> (-0.24%)	⬇️
12.1EE	94.20% <90.90%> (-0.28%)	⬇️
18XE	94.48% <90.09%> (-0.31%)	⬇️
21XE	94.66% <90.09%> (-0.31%)	⬇️

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Impacted Files	Coverage Δ
source/core/coverage/ut_coverage_reporter_base.tpb	100.00% <ø> (ø)
...urce/core/output_buffers/ut_output_buffer_base.tpb	76.78% <77.14%> (-23.22%)	⬇️
...rce/core/output_buffers/ut_output_table_buffer.tpb	83.33% <97.14%> (-3.11%)	⬇️
...ore/output_buffers/ut_output_clob_table_buffer.tpb	95.74% <100.00%> (-2.51%)	⬇️
source/core/types/ut_output_reporter_base.tpb	78.94% <100.00%> (-1.06%)	⬇️

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[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

94.2% Coverage
0.0% Duplication