tests: samples: convert testcase files to yaml

This will prepare test cases and samples with metadata and information
that will be consumed by the sanitycheck script which will be changed to
parse YAML files instead of ini.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
diff --git a/tests/unit/bluetooth/at/testcase.yaml b/tests/unit/bluetooth/at/testcase.yaml
new file mode 100644
index 0000000..4b8fa65
--- /dev/null
+++ b/tests/unit/bluetooth/at/testcase.yaml
@@ -0,0 +1,6 @@
+tests:
+-   test:
+        build_only: true
+        min_ram: 16
+        tags: bluetooth
+        platform_whitelist: qemu_x86_iamcu qemu_cortex_m3