Add tests for Linux Reboot LoongArch64 payload

Author: bcoles

spec/modules/payloads_spec.rb

@@ -2095,6 +2095,16 @@
                           reference_name: 'linux/riscv64le/reboot'
   end
 
+  context 'linux/loongarch64/reboot' do
+    it_should_behave_like 'payload cached size is consistent',
+                          ancestor_reference_names: [
+                              'singles/linux/loongarch64/reboot'
+                          ],
+                          dynamic_size: false,
+                          modules_pathname: modules_pathname,
+                          reference_name: 'linux/loongarch64/reboot'
+  end
+
   context 'linux/x64/exec' do
     it_should_behave_like 'payload cached size is consistent',
                           ancestor_reference_names: [