Set Manifest version to 2.0.0 for org.yakindu.sct.refactoring.tests

test-plugins/org.yakindu.sct.refactoring.tests/META-INF/MANIFEST.MF

@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Tests for SCT Refactorings
 Bundle-SymbolicName: org.yakindu.sct.refactoring.tests;singleton:=true
-Bundle-Version: 1.0.0.qualifier
+Bundle-Version: 2.0.0.qualifier
 Bundle-Vendor: YAKINDU
 Fragment-Host: org.yakindu.sct.refactoring
 Require-Bundle: org.eclipse.core.runtime,