TestNG-functionality not recognized by Intellij

Question

I am trying to use TestNG to test my Java-code. The TestNG-plugin is installed in IntelliJ, and the dependency:

<dependency>
        <groupId>org.testng</groupId>
        <artifactId>testng</artifactId>
        <version>6.9.10</version>
</dependency>

has been added to Maven. However, when I write "@Test" in a class, IntelliJ gives the error-message: "can not resolve symbol 'Test'.

Importing org.testng.annotations.Test is not recognized either. It just seems like Intellij is ignoring the Maven-dependency.

Here is the project structure and the error:

Should I have done something more with TestNG, rather then just adding the Maven dependency?

Answer 1

1. Run mvn clean

2. Set the scope of testng to test, i.e.:

   <dependency>
       <groupId>org.testng</groupId>
       <artifactId>testng</artifactId>
       <version>6.12</version>
       <scope>test</scope>
   </dependency>
   

3. Run mvn install