Refactor integration tests (#531)

* refactor integrations

Signed-off-by: yxxhero <aiopsclub@163.com>

* Update the integration test directory structure to better correlate the test script with testdata

Signed-off-by: Yusuke Kuoka <ykuoka@gmail.com>

* Undo the test-cases directory renaming to make the diff more easy to understand

Signed-off-by: Yusuke Kuoka <ykuoka@gmail.com>

* fix ci

Signed-off-by: yxxhero <aiopsclub@163.com>

Signed-off-by: yxxhero <aiopsclub@163.com>
Signed-off-by: Yusuke Kuoka <ykuoka@gmail.com>
Co-authored-by: Yusuke Kuoka <ykuoka@gmail.com>

test/integration/test-cases/chart-needs/input/azuredisk-csi-storageclass/azuredisk-csi-storageclass.yaml

@@ -0,0 +1,10 @@
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: managed-csi
+provisioner: disk.csi.azure.com
+parameters:
+  skuName: Premium_LRS
+reclaimPolicy: Retain
+volumeBindingMode: Immediate
+allowVolumeExpansion: true

test/integration/test-cases/chart-needs/input/helmfile.yaml

@@ -0,0 +1,11 @@
+repositories:
+  - name: azuredisk-csi-driver
+    url: https://raw.githubusercontent.com/kubernetes-sigs/azuredisk-csi-driver/master/charts
+releases:
+  - name: azuredisk-csi-storageclass
+    chart: ./azuredisk-csi-storageclass
+  - name: azuredisk-csi-driver
+    chart: azuredisk-csi-driver/azuredisk-csi-driver
+    version: v1.23.0
+    needs:
+      - azuredisk-csi-storageclass