diff --git a/src/validate-tier1-os.sh b/src/validate-tier1-os.sh
index bad07a3..15b721e 100644
--- a/src/validate-tier1-os.sh
+++ b/src/validate-tier1-os.sh
@@ -30,7 +30,7 @@ function is_os_tier1() {
             ;;
 
         raspbian)
-            if [ "$VERSION_CODENAME" == "stretch" ];
+            if [ "$VERSION_CODENAME" == "stretch" ] || [ "$VERSION_ID" == "9" ];
             then
                 return 0
             fi
@@ -69,7 +69,7 @@ function get_platform() {
             ;;
 
         raspbian)
-            os_platform="$ID_LIKE/$VERSION_CODENAME"
+            os_platform="$ID_LIKE/stretch"
             ;;
     esac
 
diff --git a/tests/unit-tests/test-validate-tier1-os.sh b/tests/unit-tests/test-validate-tier1-os.sh
index ec8125a..1aa880a 100644
--- a/tests/unit-tests/test-validate-tier1-os.sh
+++ b/tests/unit-tests/test-validate-tier1-os.sh
@@ -12,7 +12,7 @@ test_ubuntu1804() {
 
 test_raspbian() {
     ID="raspbian"
-    VERSION_ID="10"
+    VERSION_ID="9"
     is_os_tier1 "$ID" "$VERSION_ID"
     assert_eq 0 $?
 }
diff --git a/vsts_ci/linux/continuous-linux.yml b/vsts_ci/linux/continuous-linux.yml
index 470f27f..c0e9aa0 100644
--- a/vsts_ci/linux/continuous-linux.yml
+++ b/vsts_ci/linux/continuous-linux.yml
@@ -4,14 +4,11 @@ steps:
 
 - script: |
     cd tests/unit-tests
-    chmod +x test-install-container-management.sh  
-    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
+    chmod +x ./*.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
+    ./test-logger.sh
   displayName: 'Run All Linux Unit Tests'
diff --git a/vsts_ci/raspi/continuous-raspi.yml b/vsts_ci/raspi/continuous-raspi.yml
index 4ab71d3..411ea54 100644
--- a/vsts_ci/raspi/continuous-raspi.yml
+++ b/vsts_ci/raspi/continuous-raspi.yml
@@ -4,15 +4,12 @@ steps:
 
 - script: |
     cd tests/unit-tests
-    chmod +x test-install-container-management.sh  
-    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
+    chmod +x ./*.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
+    ./test-logger.sh
   displayName: 'Run All Raspberry Pi Unit Tests'