Change TestNG scope

Change TestNG scope to compile in artifact generator

Change-Id: I3e1edffd35a78b2cce99bac683eee32769920216
Issue-ID: SDC-1435
Signed-off-by: avigaffa <avi.gaffa@amdocs.com>
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/pom.xml b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/pom.xml
index 90c14b4..be55d2f 100644
--- a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/pom.xml
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-impl/pom.xml
@@ -24,7 +24,7 @@
             <groupId>org.testng</groupId>
             <artifactId>testng</artifactId>
             <scope>test</scope>
-            <version>6.8.5</version>
+            <version>${testng.version}</version>
             <exclusions>
                 <exclusion>
                     <artifactId>snakeyaml</artifactId>