[gnome-builder] tests: give more data to initialize call

[Christian Hergert <chergert src gnome org>]

commit 38a8b139c88063999da5ec07f8ca3135481a70fc
Author: Christian Hergert <chergert redhat com>
Date:   Fri Apr 20 16:21:33 2018 -0700

    tests: give more data to initialize call

 src/plugins/clang/test-daemon.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
---
diff --git a/src/plugins/clang/test-daemon.c b/src/plugins/clang/test-daemon.c
index 5285e2687..e6cb68cec 100644
--- a/src/plugins/clang/test-daemon.c
+++ b/src/plugins/clang/test-daemon.c
@@ -128,10 +128,17 @@ test_initialize (JsonrpcClient *client,
 {
   g_autoptr(GVariant) params = NULL;
   g_autofree gchar *root = NULL;
+  g_autofree gchar *uri = NULL;
 
   root = g_path_get_dirname (path);
+  uri = g_strdup_printf ("file://%s", root);
 
-  params = JSONRPC_MESSAGE_NEW ("rootUri", JSONRPC_MESSAGE_PUT_STRING (root));
+  params = JSONRPC_MESSAGE_NEW (
+    "rootUri", JSONRPC_MESSAGE_PUT_STRING (uri),
+    "rootPath", JSONRPC_MESSAGE_PUT_STRING (root),
+    "processId", JSONRPC_MESSAGE_PUT_INT64 (getpid ()),
+    "capabilities", "{", "}"
+  );
 
   jsonrpc_client_call_async (client,
                              "initialize",