chore(build): remove testng from dep management
<pax.exam.version>4.13.1</pax.exam.version>
<!-- test dependencies -->
- <testng.version>6.14.3</testng.version>
<mockito.version>2.25.1</mockito.version>
<assertj.version>3.12.2</assertj.version>
<junit.version>4.12</junit.version>
<version>${jool.version}</version>
</dependency>
- <dependency>
- <groupId>org.testng</groupId>
- <artifactId>testng</artifactId>
- <version>${testng.version}</version>
- <scope>test</scope>
- </dependency>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
