Install dependencies required for some tests

Author: Thomas Kiley

buildspec-linux-cmake-gcc.yml

@@ -12,7 +12,7 @@ phases:
     commands:
       - sed -i 's#/archive.ubuntu.com#/us-east-1.ec2.archive.ubuntu.com#g' /etc/apt/sources.list
       - apt-get update -y
-      - apt-get install -y flex bison make git libwww-perl patch ccache libc6-dev-i386 jq cmake
+      - apt-get install -y flex bison make git libwww-perl patch ccache libc6-dev-i386 jq cmake libxml2-utils
   build:
     commands:
       - echo Build started on `date`

buildspec-windows.yml

@@ -9,7 +9,7 @@ phases:
   install:
     commands:
       - choco install cyg-get -y --no-progress
-      - cyg-get bash patch bison flex make wget perl jq
+      - cyg-get bash patch bison flex make wget perl jq python3
       - nuget install clcache -OutputDirectory "c:\tools" -ExcludeVersion -Version 4.1.0
 
   build: