MON-459 fix format and add test ci optional support

scripts/99_terraform.sh

@@ -10,8 +10,8 @@ for path in $(find "$(get_scope $1)" -name 'inputs.tf' -print); do
 provider "datadog" {
   version = "2.0.2"
 
-  api_key = "\${var.datadog_api_key}"
-  app_key = "\${var.datadog_app_key}"
+  api_key = var.datadog_api_key
+  app_key = var.datadog_app_key
 }
 
 variable "datadog_api_key" {
@@ -23,7 +23,11 @@ variable "datadog_app_key" {
   type = string
   default = "yyy"
 }
+
 EOF
+    if [ -f ${dir}/test.tf.ci ]; then
+        cat ${dir}/test.tf.ci >> ${dir}/tmp.tf
+    fi
     terraform init ${dir}
     terraform validate ${dir}
     rm -f ${dir}/tmp.tf