Add simple test to increase coverage and ensure that the required keys are always returned

problem_builder/tests/unit/test_problem_builder.py

@@ -7,12 +7,27 @@ from random import random
 from xblock.field_data import DictFieldData
 
 from problem_builder.mcq import MCQBlock
+from problem_builder.mrq import MRQBlock
+
 from problem_builder.mentoring import MentoringBlock, MentoringMessageBlock, _default_options_config
 
 from .utils import BlockWithChildrenTestMixin
 
 
 @ddt.ddt
+class TestMRQBlock(BlockWithChildrenTestMixin, unittest.TestCase):
+    def test_student_view_data(self):
+        """
+        Ensure that all expected fields are always returned.
+        """
+        block = MRQBlock(Mock(), DictFieldData({}), Mock())
+
+        self.assertListEqual(
+            block.student_view_data().keys(),
+            ['hide_results', 'tips', 'weight', 'title', 'question', 'message', 'type', 'id', 'choices'])
+
+
+@ddt.ddt
 class TestMentoringBlock(BlockWithChildrenTestMixin, unittest.TestCase):
     def test_sends_progress_event_when_rendered_student_view_with_display_submit_false(self):
         block = MentoringBlock(MagicMock(), DictFieldData({