test/test_amount.rb in zold-0.18.4 vs test/test_amount.rb in zold-0.18.5

@@ -19,9 +19,10 @@
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
 require 'minitest/autorun'
+require_relative 'test__helper'
 require_relative '../lib/zold/amount'
 
 # Amount test.
 # Author:: Yegor Bugayenko ([e-mail])
 # Copyright:: Copyright (c) 2018 Yegor Bugayenko