cds: enable passing additional testacc args

.cds/terraform-provider-ovh-testacc.pip.yml

@@ -1,5 +1,10 @@
 version: v1.0
 name: terraform-provider-ovh-testacc
+parameters:
+  testargs:
+    type: string
+    description: additional testargs
+
 jobs:
 - job: checks
   steps:
@@ -21,7 +26,7 @@ jobs:
   - name: Run acceptance tests
     script: |
       #!/usr/bin/env bash
-      make testacc TESTARGS="-parallel=1"
+      make testacc TESTARGS="-parallel=1 ${CDS_PIP_TESTARGS}"
 
   - name: Run post sweepers
     script: |

.cds/terraform-provider-ovh.pip.yml

@@ -0,0 +1,10 @@
+---
+version: v1.0
+name: terraform-provider-ovh
+description: |
+  Empty pipeline to use as root node for the workflow allowing the use of parameters from the UI
+parameters:
+  testargs:
+    type: string
+    default: ""
+    description: additional testacc arguments

.cds/terraform-provider-ovh.yml

@@ -4,6 +4,9 @@ workflow:
 
   terraform-provider-ovh:
     application: terraform-provider-ovh
+    pipeline: terraform-provider-ovh
+    parameters:
+      testargs: ""
 
   terraform-provider-ovh-check:
     pipeline: terraform-provider-ovh-check
@@ -24,6 +27,8 @@ workflow:
     one_at_a_time: true
     application: terraform-provider-ovh
     environment: acctests
+    parameters:
+      testargs: "{{ .workflow.terraform-provider-ovh.pip.testargs }}"
     depends_on:
       - terraform-provider-ovh-check