public void setSystemProperty() {
SeleniumServerConfiguration configuration = new SeleniumServerConfiguration();
configuration.setSystemProperties("-Dfoo=bar -Dfoo2=bar2 -Dfoo3 -Dfoo4=bar4");
SystemEnvHolder env = new SystemEnvHolder();
env.modifyEnvBy(configuration);
Assert.assertEquals("foo property was set to bar", System.getProperty("foo"), "bar");
Assert.assertEquals("foo2 property was set to bar2", System.getProperty("foo2"), "bar2");
Assert.assertEquals("foo4 property was set to bar4", System.getProperty("foo4"), "bar4");