Remove Junit from extensions pom
</dependency>
<!-- Test dependencies -->
- <dependency>
- <groupId>junit</groupId>
- <artifactId>junit</artifactId>
- <version>4.12</version>
- <scope>test</scope>
- </dependency>
<dependency>
<groupId>io.flinkspector</groupId>
<artifactId>flinkspector-datastream_2.11</artifactId>
