Adding upstream version 0.0.22.

Signed-off-by: Daniel Baumann <daniel@debian.org>

icann-rdap-srv/tests/integration/bin/rdap_srv_store.rs

@@ -0,0 +1,18 @@
+#![allow(non_snake_case)]
+
+use test_dir::DirBuilder;
+
+use crate::test_jig::RdapSrvStoreTestJig;
+
+#[test]
+fn GIVEN_source_dir_same_as_data_dir_WHEN_invoked_THEN_error() {
+    // GIVEN
+    let mut test_jig = RdapSrvStoreTestJig::new();
+
+    // WHEN
+    test_jig.cmd.arg(test_jig.data_dir.root());
+
+    // THEN
+    let assert = test_jig.cmd.assert();
+    assert.failure();
+}