testng.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE suite SYSTEM "https://testng.org/testng-1.0.dtd">
<suite thread-count="3" name="LambaTestSuite" parallel="tests">
  
  <test name="FirefoxTest">
  <parameter name="browser" value="firefox"/>
  <parameter name="version" value="69.0"/>
    <classes>
      <class name="com.lambdatest.SignUpTest"/>
    </classes>
  </test> <!-- Test -->
  
  <test name="ChromeTest">
  <parameter name="browser" value="chrome"/>
  <parameter name="version" value="77.0"/>
    <classes>
      <class name="com.lambdatest.SignUpTest"/>
    </classes>
  </test> <!-- Test -->
  
    <test name="EdgeTest">
  <parameter name="browser" value="edge"/>
  <parameter name="version" value="44.0"/>
    <classes>
      <class name="com.lambdatest.SignUpTest"/>
    </classes>
  </test> <!-- Test -->
  
</suite> <!-- Suite -->