Move sig-testing slack config to own folder

Author: spiffxp

communication/slack-config/channels.yaml

@@ -153,7 +153,6 @@ channels:
   - name: keda-dev
   - name: keel
   - name: kiam
-  - name: kind
   - name: kiosk
   - name: kcli
   - name: klog
@@ -301,8 +300,6 @@ channels:
   - name: prometheus
   - name: prometheus-operator
   - name: prometheus-operator-dev
-  - name: prow
-  - name: prow-alerts
   - name: pt_br-users
   - name: purelb-users
   - name: raksh
@@ -349,7 +346,7 @@ channels:
   - name: sig-scheduling
   # sig-security* channels are defined in sig-security/
   - name: sig-service-catalog
-  - name: sig-testing
+  # sig-testing channels are defined in sig-testing/
   - name: sig-ui
   - name: sig-usability
   - name: sig-windows
@@ -369,8 +366,6 @@ channels:
   - name: talk-proposals
   - name: terraform-providers
   - name: test-failures
-  - name: testing-commons
-  - name: testing-ops
   - name: tilt
   - name: tn-users
   - name: topology-aware-scheduling

communication/slack-config/restrictions.yaml

@@ -51,4 +51,13 @@ restrictions:
       - "^cloud-provider-extraction$"
       - "^provider-"
       - "^apiserver-network-proxy$"
+  - path: "sig-testing/*.yaml"
+    channels:
+      - "^sig-testing"
+      - "^kind"
+      - "^prow"
+      - "^testing"
+    usergroups:
+      - "^test-infra-oncall$"
+      - "^google-build-admin$"
   - path: "**/*" # prevent any other file from containing anything

communication/slack-config/sig-testing/OWNERS

@@ -0,0 +1,8 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+reviewers:
+  - sig-testing-leads
+approvers:
+  - sig-testing-leads
+labels:
+  - sig/testing

communication/slack-config/sig-testing/config.yaml

@@ -0,0 +1,7 @@
+channels:
+  - name: kind
+  - name: prow
+  - name: prow-alerts
+  - name: sig-testing
+  - name: testing-commons
+  - name: testing-ops

communication/slack-config/sig-testing/usergroups.yaml

@@ -0,0 +1,8 @@
+usergroups:
+  # maintained by https://github.com/kubernetes/test-infra/blob/master/experiment/slack-oncall-updater
+  - name: test-infra-oncall
+    external: true
+
+  # maintained by https://github.com/kubernetes/test-infra/blob/master/experiment/slack-oncall-updater
+  - name: google-build-admin
+    external: true

communication/slack-config/usergroups.yaml

@@ -36,12 +36,6 @@ usergroups:
       - kaslin
       - rajula96reddy
 
-  - name: test-infra-oncall
-    external: true
-
-  - name: google-build-admin
-    external: true
-
   # Should match the membership of the following teams at all times:
   # - https://git.k8s.io/security/#product-security-committee-psc
   - name: product-security-committee