Fixing jdk 8 test failure

jetty-start/src/test/java/org/eclipse/jetty/start/MainTest.java

@@ -142,6 +142,7 @@ public class MainTest
         File homePath = MavenTestingUtils.getTestResourceDir("usecases/home").getAbsoluteFile();
         cmdLineArgs.add("jetty.home=" + homePath);
         cmdLineArgs.add("user.dir=" + homePath);
+        cmdLineArgs.add("java.version=1.7.0_60");
 
         // Modules
         cmdLineArgs.add("--module=server");

jetty-start/src/test/resources/assert-home-with-spdy.txt

@@ -46,6 +46,7 @@ LIB|${jetty.base}/lib/websocket/websocket-server-TEST.jar
 LIB|${jetty.base}/lib/websocket/websocket-servlet-TEST.jar
 
 # The Properties we expect (order is irrelevant)
+PROP|java.version=1.7.0_60
 PROP|jetty.keymanager.password=OBF:1u2u1wml1z7s1z7a1wnl1u2g
 PROP|jetty.keystore=etc/keystore
 PROP|jetty.keystore.password=OBF:1vny1zlo1x8e1vnw1vn61x8g1zlu1vn4