@Test
public void should_be_able_to_read_boolean_system_value_if_set_to_nothing() {
System.setProperty("some.boolean.value", "");
SystemEnvironmentVariables environmentVariables = new SystemEnvironmentVariables();
Boolean value = environmentVariables.getPropertyAsBoolean("some.boolean.value", false);
System.clearProperty("some.boolean.value");
assertThat(value, is(true));
}