bump BREE to 1.8; run tests with JUnit 4 if available

s/J2SE/JavaSE

Signed-off-by: nickboldt <nboldt@redhat.com>
diff --git a/core/tests/org.eclipse.wst.wsdl.tests/META-INF/MANIFEST.MF b/core/tests/org.eclipse.wst.wsdl.tests/META-INF/MANIFEST.MF
index 5ba94fc..8cc4a5b 100644
--- a/core/tests/org.eclipse.wst.wsdl.tests/META-INF/MANIFEST.MF
+++ b/core/tests/org.eclipse.wst.wsdl.tests/META-INF/MANIFEST.MF
@@ -11,7 +11,7 @@
  org.eclipse.core.resources,
  org.eclipse.emf.ecore,
  org.eclipse.xsd,
- org.junit;bundle-version="3.8.0",
+ org.junit;bundle-version="[3.8.0,5.0.0)",
  javax.wsdl;bundle-version="[1.6.2,1.7.0)",
  org.eclipse.wst.wsdl,
  org.eclipse.wst.common.uriresolver
@@ -19,4 +19,4 @@
 Export-Package: org.eclipse.wst.wsdl.tests,
  org.eclipse.wst.wsdl.tests.util
 Bundle-ActivationPolicy: lazy
-Bundle-RequiredExecutionEnvironment: J2SE-1.4
+Bundle-RequiredExecutionEnvironment: JavaSE-1.8