[Solved] You want to run two test classes LoginTest and PaymentTest in parallel but limit total threads to 1 in testng.xml. Which configuration achieves this? | Selenium Java

Selenium Java - TestNG Integration

You want to run two test classes LoginTest and PaymentTest in parallel but limit total threads to 1 in testng.xml. Which configuration achieves this?

A

<suite name="Suite" parallel="classes" thread-count="1">
  <test name="Test">
    <classes>
      <class name="LoginTest"/>
      <class name="PaymentTest"/>
    </classes>
  </test>
</suite>

B

<suite name="Suite" parallel="tests" thread-count="2">
  <test name="Test1">
    <classes><class name="LoginTest"/></classes>
  </test>
  <test name="Test2">
    <classes><class name="PaymentTest"/></classes>
  </test>
</suite>

C

<suite name="Suite" parallel="methods" thread-count="1">
  <test name="Test">
    <classes>
      <class name="LoginTest"/>
      <class name="PaymentTest"/>
    </classes>
  </test>
</suite>

D

<suite name="Suite">
  <test name="Test">
    <classes>
      <class name="LoginTest"/>
      <class name="PaymentTest"/>
    </classes>
  </test>
</suite>

Step-by-Step Solution

Solution:

Step 1: Understand parallel and thread-count attributes
Setting parallel="classes" runs test classes in parallel, and thread-count="1" limits to one thread, so classes run one at a time.
Step 2: Check options for matching configuration
sets parallel to classes and thread-count to 1, matching the requirement.
Final Answer:
Option A configuration runs classes in parallel but limits threads to 1 -> Option A
Quick Check:
parallel="classes" + thread-count=1 = [OK]

Quick Trick: parallel="classes" with thread-count=1 runs classes sequentially [OK]

Common Mistakes:

MISTAKES

Using parallel="tests" with thread-count > 1 runs multiple threads
Omitting parallel attribute runs tests sequentially
Confusing parallel="methods" with classes

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You want to run two test classes LoginTest and PaymentTest in parallel but limit total threads to 1 in testng.xml. Which configuration achieves this?

Step 1: Understand parallel and thread-count attributes

Step 2: Check options for matching configuration

Final Answer:

Quick Check:

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