Add tests for Linux Execute Command 32-bit/64-bit RISC-V LE payloads

Author: bcoles

spec/modules/payloads_spec.rb

@@ -1845,6 +1845,16 @@
                           reference_name: 'linux/ppc64/shell_reverse_tcp'
   end
 
+  context 'linux/riscv32le/exec' do
+    it_should_behave_like 'payload cached size is consistent',
+                          ancestor_reference_names: [
+                              'singles/linux/riscv32le/exec'
+                          ],
+                          dynamic_size: false,
+                          modules_pathname: modules_pathname,
+                          reference_name: 'linux/riscv32le/exec'
+  end
+
   context 'linux/riscv32le/reboot' do
     it_should_behave_like 'payload cached size is consistent',
                           ancestor_reference_names: [
@@ -1855,6 +1865,16 @@
                           reference_name: 'linux/riscv32le/reboot'
   end
 
+  context 'linux/riscv64le/exec' do
+    it_should_behave_like 'payload cached size is consistent',
+                          ancestor_reference_names: [
+                              'singles/linux/riscv64le/exec'
+                          ],
+                          dynamic_size: false,
+                          modules_pathname: modules_pathname,
+                          reference_name: 'linux/riscv64le/exec'
+  end
+
   context 'linux/riscv64le/reboot' do
     it_should_behave_like 'payload cached size is consistent',
                           ancestor_reference_names: [