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:

  [
Executing(%check): /bin/sh -e /var/tmp/rpm-tmp.Hhv7]: [The Executing(%check) is the section that fails. ]
=============
[/builddir/build/BUILD/webmock-3.18.1/usr/share/gems/gems/webmock-3.18.1/minitest/test_helper.rb:13:in `<top (required)>': uninitialized constant MiniTest (NameError)

test_class = defined?(MiniTest::Test) ? MiniTest::Test : MiniTest::Unit::TestCase
                                                         ^^^^^^^^
Did you mean?  Minitest
	from <internal:/usr/share/rubygems/rubygems/core_ext/kernel_require.rb>:127:in `require'
	from <internal:/usr/share/rubygems/rubygems/core_ext/kernel_require.rb>:127:in `require'
	from <internal:dir>:411:in `glob'
	from -e:1:in `<main>']: [The compilation of a test file (because we are in the %check section) failed here, claiming that the `MiniTest` ruby package doesn't exist.]

Issue: The `MiniTest` ruby package is not available at the ruby compilation time.
Resolution: If the MiniTest package exists, you need to make it available on rubypath. If not, you need to provide the MiniTest package.