Add ballerina to test workflows

Author: xlight05

.azure-pipelines/common/test.yml

@@ -7,6 +7,30 @@ steps:
   displayName: 'Start X Virtual Frame Buffer'
   condition: eq(variables['Agent.OS'], 'Linux')
 
+# Tempoary workaround for https://github.com/ballerina-platform/ballerina-distribution/issues/4537
+- script: |
+    curl -o ballerina.deb 'https://dist.ballerina.io/downloads/2201.6.0/ballerina-2201.6.0-swan-lake-linux-x64.deb'
+    sudo dpkg -i ballerina.deb
+    rm -f ballerina.deb
+  displayName: Install Ballerina(Linux)
+  condition: eq(variables['Agent.OS'], 'Linux')
+
+- script: |
+    curl -o ballerina.pkg 'https://dist.ballerina.io/downloads/2201.6.0/ballerina-2201.6.0-swan-lake-macos-x64.pkg'
+    sudo installer -pkg ballerina.pkg -target /
+    rm -f ballerina.pkg
+    echo '##vso[task.prependpath]/Library/Ballerina/bin'
+  displayName: Install Ballerina(MacOS)
+  condition: eq(variables['Agent.OS'], 'Darwin')
+
+- script: |
+      curl -o ballerina.msi https://dist.ballerina.io/downloads/2201.6.0/ballerina-2201.6.0-swan-lake-windows-x64.msi
+      msiexec /i ballerina.msi /quiet /qr /L*V "C:\Temp\msilog.log"
+      del ballerina.msi
+      echo "##vso[task.setvariable variable=PATH]C:\Program Files\Ballerina\bin;$(PATH)"
+  displayName: Install Ballerina(Windows)
+  condition: eq(variables['Agent.OS'], 'Windows_NT')
+
 - task: UsePythonVersion@0
   displayName: 'Use Python 3.7.x'
   inputs:
@@ -46,4 +70,3 @@ steps:
     testResultsFiles: '*-results.xml'
     testRunTitle: '$(Agent.OS)'
   condition: succeededOrFailed()
-