Allow suites to dynamically register schemas so tests can receive parameters

Change-Id: Idbe99a35993d193cd97059feb980e61ff14c67ad
diff --git a/selftest/schema_test/schema_case_04.conf b/selftest/schema_test/schema_case_04.conf
new file mode 100644
index 0000000..4148310
--- /dev/null
+++ b/selftest/schema_test/schema_case_04.conf
@@ -0,0 +1,12 @@
+schema:
+  hey:
+    ho:
+      letsgo: []
+
+tests:
+   - foobar:
+       prefix:
+         hey:
+           ho:
+             letsgo:
+             - nanana