Adding old unit tests to test suite.

These tests are copied straight over. They'll still run, but they're
using the old system.

Change-Id: If494519e52ddf858a9febfc55bdae830468cb3c8
diff --git a/test/010-instance/src/Y.java b/test/010-instance/src/Y.java
new file mode 100644
index 0000000..2b2c371
--- /dev/null
+++ b/test/010-instance/src/Y.java
@@ -0,0 +1,8 @@
+class Y extends X {
+    public Y() {
+    }
+
+    int bar() {
+        return 1;
+    }
+}