openstack-nova: setup user syntax for implicit keypair option, adding missing unit test

labs/openstack-nova/src/test/java/org/jclouds/openstack/nova/v1_1/compute/options/NovaTemplateOptionsTest.java

@@ -105,6 +105,12 @@ public class NovaTemplateOptionsTest {
       assert options.shouldAutoAssignFloatingIp();
    }
 
+   @Test
+   public void testGenerateKeyPairDefault() {
+      NovaTemplateOptions options = new NovaTemplateOptions();
+      assert !options.shouldGenerateKeyPair();
+   }
+
    @Test
    public void testGenerateKeyPair() {
       NovaTemplateOptions options = new NovaTemplateOptions().generateKeyPair(true);