add oarser unit test to continuous pipeline

vsts_ci/linux/continuous-linux.yml

@@ -8,8 +8,10 @@ steps:
     chmod +x test-install-edge-runtime.sh  
     chmod +x test-validate-post-install.sh  
     chmod +x test-validate-tier1-os.sh
+    chmod +x test-cmd-parser.sh
     ./test-install-container-management.sh  
     ./test-install-edge-runtime.sh  
     ./test-validate-post-install.sh  
     ./test-validate-tier1-os.sh
+    ./test-cmd-parser.sh
   displayName: 'Run All Linux Unit Tests'

vsts_ci/raspi/continuous-raspi.yml

@@ -8,9 +8,11 @@ steps:
     chmod +x test-install-edge-runtime.sh  
     chmod +x test-validate-post-install.sh  
     chmod +x test-validate-tier1-os.sh
+    chmod +x test-cmd-parser.sh
     ./test-install-container-management.sh  
     ./test-install-edge-runtime.sh  
     ./test-validate-post-install.sh  
     ./test-validate-tier1-os.sh
-  displayName: 'Run All Linux Unit Tests'
+    ./test-cmd-parser.sh
+  displayName: 'Run All Raspberry Pi Unit Tests'