ST6RI-844 Adds transitive dependencies to Xpect tests

Xpect tests are run as plain Java JUnit tests (without Eclipse/OSGi
runtimes) that do not always correctly collect transitive dependencies.
This resulted in the test executions failing because of the missing
classgraph dependency that needed to be added.

Author: ujhelyiz

org.omg.kerml.xpect.tests/build.properties

@@ -5,4 +5,5 @@ bin.includes = META-INF/,\
                .,\
                plugin.properties,\
                plugin.xml
+additional.bundles = io.github.classgraph.classgraph
 

org.omg.sysml.xpect.tests/build.properties

@@ -6,4 +6,5 @@ output.. = target/classes/
 bin.includes = .,\
                plugin.xml,\
                META-INF/
+additional.bundles = io.github.classgraph.classgraph