Add kotlin compile and test version properties.

Issue-ID: CCSDK-1352
Signed-off-by: Brinda Santh <brindasanth@in.ibm.com>
Change-Id: I1e00352f20d31200017adcc25fac4a7c22b2fbff
diff --git a/springboot/springboot2/pom.xml b/springboot/springboot2/pom.xml
index 72cdb77..2259ea5 100755
--- a/springboot/springboot2/pom.xml
+++ b/springboot/springboot2/pom.xml
@@ -98,9 +98,11 @@
 		<spring.version>5.1.8.RELEASE</spring.version>
 
 		<!-- Kotlin versions -->
+		<kotlin.compiler.jvmTarget>1.8</kotlin.compiler.jvmTarget>
 		<kotlin.version>1.3.41</kotlin.version>
 		<kotlin.maven.version>1.3.41</kotlin.maven.version>
 		<kotlin.couroutines.version>1.2.2</kotlin.couroutines.version>
+		<mockk.version>1.9</mockk.version>
 
 		<apache.httpcomponents.core.version>4.4.4</apache.httpcomponents.core.version>
 		<apache.httpcomponents.client.version>4.5.2</apache.httpcomponents.client.version>