Given following log snippets, their explanation, and nothing else, explain what failure, if any, occurred during build of this package.

  Snippets are in a format of [X] : [Y], where [X] is a log snippet, and [Y] is the explanation.

  Snippets are delimited with '================'.

  Drawing on information from all snippets, provide a concise explanation of the issue and recommend a solution.

  Explanation of the issue, and recommended solution, should take a handful of sentences.

  Snippets:

  [mysql-test-run: *** ERROR: there were failing test cases
]: [The MariaDB / MySQL testsuite failed because of the failing test-cases]
=============
[[ fail ]]: [The test failed for the first time]
=============
[timeout after 900 seconds]: [Reason of the test failure - timeout]
=============
[Test case timeout after 900 seconds
]: [Reason of the test failure - timeout]
=============
[[ retry-fail ]]: [The failed test was retried and failed again]
=============
[timeout after 900 seconds]: [Reason of the test failure - timeout]
=============
[Test case timeout after 900 seconds
]: [Reason of the test failure - timeout]
=============
[--suite-timeout=900 --testcase-timeout=15]: ['mysql-test-run.pl' argument values of the whole testsuite timeout (in minutes) and each test case timeout (in minutes)]

Issue: The MariaDB / MySQL testsuite failed because of the failing test-cases.
The test-cases failed because of timeout.
Resolution: Try to find out the reason of the test timeout.
Fix the test or enlarge the timeout setting of the 'mysql-test-run.pl'