[C++] arrow-compute-hash-join-node-test timeout on MinGW

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I saw this failure twice today, so it's not entirely sporadic it seems:
https://github.com/apache/arrow/runs/5679746922?check_suite_focus=true#step:9:257

68/68 Test #32: arrow-compute-hash-join-node-test .........***Timeout 300.01 sec
Running main() from C:/M/mingw-w64-gtest/src/googletest-release-1.11.0/googletest/src/gtest_main.cc
[==========] Running 27 tests from 4 test suites.
[----------] Global test environment set-up.
[----------] 8 tests from HashJoin
[ RUN      ] HashJoin.Suffix
[       OK ] HashJoin.Suffix (3 ms)
[ RUN      ] HashJoin.Random
[       OK ] HashJoin.Random (9760 ms)
[ RUN      ] HashJoin.Dictionary
[       OK ] HashJoin.Dictionary (38 ms)
[ RUN      ] HashJoin.Scalars
[       OK ] HashJoin.Scalars (10 ms)
[ RUN      ] HashJoin.DictNegative
[       OK ] HashJoin.DictNegative (0 ms)
[ RUN      ] HashJoin.UnsupportedTypes
[       OK ] HashJoin.UnsupportedTypes (0 ms)
[ RUN      ] HashJoin.ResidualFilter
[       OK ] HashJoin.ResidualFilter (1 ms)
[ RUN      ] HashJoin.TrivialResidualFilter
[       OK ] HashJoin.TrivialResidualFilter (1 ms)
[----------] 8 tests from HashJoin (9816 ms total)

[----------] 2 tests from BloomFilter
[ RUN      ] BloomFilter.Basic
[       OK ] BloomFilter.Basic (6621 ms)
[ RUN      ] BloomFilter.Scaling
[       OK ] BloomFilter.Scaling (1796 ms)
[----------] 2 tests from BloomFilter (8418 ms total)

[----------] 1 test from VectorHash
[ RUN      ] VectorHash.Basic

Reporter: Antoine Pitrou / @pitrou
Assignee: Weston Pace / @westonpace

PRs and other links:

• GitHub Pull Request #12710

_{Note: This issue was originally created as ARROW-16021. Please see the migration documentation for further details.}

[asfimport]

Antoine Pitrou / @pitrou:
@westonpace @michalursa

[asfimport]

Weston Pace / @westonpace:
Issue resolved by pull request 12710
#12710

[asfimport]

Weston Pace / @westonpace:
I went ahead and closed this assuming the root cause was just running out of time and not a deadlock. We can reopen if we see it again.