[Solved] You have a test suite that should run three tests, but only two run. The suite code is:suite = unittest.TestSuite() suite.addTest(TestClass('test_one')) suite.addTest(TestClass('test_two')) runner.... | Testing Fundamentals

Testing Fundamentals - Test Documentation

You have a test suite that should run three tests, but only two run. The suite code is:

suite = unittest.TestSuite()
suite.addTest(TestClass('test_one'))
suite.addTest(TestClass('test_two'))
runner.run(suite)

What is the likely reason the third test test_three is not running?

AThe test runner does not support more than two tests

BThe test method name <code>test_three</code> is invalid

CThe test class does not inherit from unittest.TestCase

DThe third test was not added to the test suite

Step-by-Step Solution

Solution:

Step 1: Review test suite additions
The suite only adds test_one and test_two. test_three is missing.
Step 2: Check other options
Method name test_three is valid if it starts with 'test'. Runner supports many tests. Class inheritance assumed correct.
Final Answer:
The third test was not added to the test suite -> Option D
Quick Check:
Missing addTest call = C [OK]

Quick Trick: Add all tests explicitly to suite to run them [OK]

Common Mistakes:

MISTAKES

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You have a test suite that should run three tests, but only two run. The suite code is: