fix(sdk): give a test framework test scope (#90)

Author: mkleene

sdk/pom.xml

@@ -40,6 +40,7 @@
  <dependency>
  <groupId>org.junit.jupiter</groupId>
  <artifactId>junit-jupiter</artifactId>
+ <scope>test</scope>
  </dependency>
  <dependency>
  <groupId>com.nimbusds</groupId>