@Test
public void testConfigurationClass() {
TestConfiguration config = (TestConfiguration) ConfigurationManager.getConfigInstance();
assertTrue(ConfigurationManager.isConfigurationInstalled());
Object configSource = DynamicPropertyFactory.getInstance().getBackingConfigurationSource();
assertTrue(configSource == config);
try {
ConfigurationManager.install(new BaseConfiguration());
fail("IllegalStateException expected");
} catch (IllegalStateException e) {
assertNotNull(e);
}
}
