added integration testing back (#27)

* added integration testing back

* fixed environment variable declaration

* fixed environment variables

* going to add variables declaration to template

* Revert "Merge branch 'integration-testing' of https://github.com/Aaronontheweb/OpenTracing.ApplicationInsights into integration-testing"

This reverts commit 7f56004, reversing
changes made to 155f485.

* Revert "Revert "Merge branch 'integration-testing' of https://github.com/Aaronontheweb/OpenTracing.ApplicationInsights into integration-testing""

This reverts commit 46d040f.

* Revert "going to add variables declaration to template"

This reverts commit 155f485.

* indenting issue

build-system/pr-validation.yaml

@@ -11,6 +11,9 @@ pr:
   branches:
     include: [ dev, master ] # branch names which will trigger a build
 
+variables:
+- group: appInsightsVariables
+
 name: $(Year:yyyy).$(Month).$(DayOfMonth)$(Rev:.r)
 
 jobs: