#fixed code
                                @Test
    public void testFromSettingsDefault() throws MojoExecutionException {
        setupServers();
        AuthConfig config = factory.createAuthConfig(isPush, null, settings, "rhuss", "test.org");
        assertNotNull(config);
        verifyAuthConfig(config, "rhuss", "secret2", "rhuss@redhat.com");
    }
#vulnerable code 
                                @Test
    public void testFromSettingsDefault() throws MojoExecutionException {
        setupServers();
        AuthConfig config = factory.createAuthConfig(null,settings, "rhuss", "test.org");
        assertNotNull(config);
        verifyAuthConfig(config, "rhuss", "secret2", "rhuss@redhat.com");
    } 
                            #location 6 
                            #vulnerability type NULL_DEREFERENCE