Enable the birt-runtime-test of birt-runtime-osgi

[merks]

• Use a method handle to avoid needed equinox in the lib folder

[merks]

Yeah, I got the RuntimeOSGiTest running also on the server build by making a good guess about what might be wrong!

[INFO] --- surefire:3.2.5:test (default-test) @ birt-runtime-test ---
[INFO] Using auto detected provider org.apache.maven.surefire.junit4.JUnit4Provider
[INFO] 
[INFO] -------------------------------------------------------
[INFO]  T E S T S
[INFO] -------------------------------------------------------
[INFO] Running org.eclipse.birt.sdk.RuntimeTest
[INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 30.93 s -- in org.eclipse.birt.sdk.RuntimeTest
[INFO] Running org.eclipse.birt.sdk.RuntimeOSGiTest
[INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 47.56 s -- in org.eclipse.birt.sdk.RuntimeOSGiTest
[INFO] 
[INFO] Results:
[INFO] 
[INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0