Multiple Test cases in Single File

A twist is possbile. See

You can write multiple methods in a Katalon Test Case. But you have to explicitly write

method1("Poo")
method2("Poo")
method3("Poo")

to invoke each methods you declared.

TestNG/JUnit do not need lines of method invokation like this. TestNG/JUnit will implicitly look for methods annotated with @Test and automatically invoke them. That’s the difference.