diff --git a/Makefile b/Makefile
index 1928fd5..ef33723 100644
--- a/Makefile
+++ b/Makefile
@@ -182,8 +182,7 @@ install-kustomize:
 ifeq (,$(shell which kustomize))
 	@echo "installing kustomize"
 	# download kustomize
-	#curl -o /usr/local/kubebuilder/bin/kustomize -sL "https://go.kubebuilder.io/kustomize/$(shell go env GOOS)/$(shell go env GOARCH)"
-	curl -sL https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize%2Fv3.4.0/kustomize_v3.4.0_linux_amd64.tar.gz | tar -xz -C /tmp/
+	curl -sL https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize%2Fv3.4.0/kustomize_v3.4.0_$(shell go env GOOS)_$(shell go env GOARCH).tar.gz | tar -xz -C /tmp/
 	mv /tmp/kustomize /usr/local/kubebuilder/bin/kustomize
 	# set permission
 	chmod a+x /usr/local/kubebuilder/bin/kustomize
diff --git a/azure-pipelines.yaml b/azure-pipelines.yaml
index dc95421..91809d1 100644
--- a/azure-pipelines.yaml
+++ b/azure-pipelines.yaml
@@ -24,9 +24,7 @@ steps:
 
 - script: |
     set -x
-
     ls -l /usr/local/go*
-
     mkdir -p '$(GOBIN)'
     mkdir -p '$(GOPATH)/pkg'
     mkdir -p '$(MODULE_PATH)'
@@ -34,7 +32,6 @@ steps:
     mv !(gopath) '$(MODULE_PATH)'
     echo '##vso[task.prependpath]$(GOBIN)'
     echo '##vso[task.prependpath]$(GOROOT)/bin'
-
     go version
     go env
   displayName: 'Set up the Go workspace'
@@ -43,17 +40,15 @@ steps:
 
 - script: |
     set -x
-
     mkdir -p '$(MODULE_PATH)/bin'
-
     os=$(go env GOOS)
     arch=$(go env GOARCH)
-
     # download kubebuilder
-    curl -sL https://go.kubebuilder.io/dl/2.0.0-alpha.4/${os}/${arch} | tar -xz -C $(MODULE_PATH)/bin
-    mv $(MODULE_PATH)/bin/kubebuilder_2.0.0-alpha.4_${os}_${arch}/bin/* $(MODULE_PATH)/bin/
+    curl -sL https://go.kubebuilder.io/dl/2.2.0/${os}/${arch} | tar -xz -C $(MODULE_PATH)/bin
+    mv $(MODULE_PATH)/bin/kubebuilder_2.2.0_${os}_${arch}/bin/* $(MODULE_PATH)/bin/
     # download kustomize
-    curl -o $(MODULE_PATH)/bin/kustomize -sL https://go.kubebuilder.io/kustomize/${os}/${arch}
+    curl -sL https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize%2Fv3.4.0/kustomize_v3.4.0_${os}_${arch}.tar.gz | tar -xz -C /tmp/
+    mv /tmp/kustomize $(MODULE_PATH)/bin/kustomize
     # set permission
     chmod a+x $(MODULE_PATH)/bin/*
     # export path
@@ -62,10 +57,7 @@ steps:
     curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh| sh -s -- -b $(go env GOPATH)/bin v1.21.0
     # install test dependencies
     go mod download
-    go get -u github.com/axw/gocov/gocov
-    go get -u golang.org/x/tools/cmd/cover
-    go get -u github.com/AlekSi/gocov-xml
-    go get -u github.com/matm/gocov-html
+    make install-test-dependency
     # run test
     make test
   continueOnError: 'false'
diff --git a/config/samples/databricks_v1alpha1_djob.yaml b/config/samples/databricks_v1alpha1_djob.yaml
index 86e2c2b..bb19b53 100644
--- a/config/samples/databricks_v1alpha1_djob.yaml
+++ b/config/samples/databricks_v1alpha1_djob.yaml
@@ -8,7 +8,7 @@ spec:
   new_cluster:
     spark_version: 5.3.x-scala2.11
     node_type_id: Standard_D3_v2
-    num_workers: 10
+    num_workers: 3
   libraries:
     - jar: 'dbfs:/my-jar.jar'
     - maven:
diff --git a/config/samples/databricks_v1alpha1_run_direct.yaml b/config/samples/databricks_v1alpha1_run_direct.yaml
index 274dd34..5132840 100644
--- a/config/samples/databricks_v1alpha1_run_direct.yaml
+++ b/config/samples/databricks_v1alpha1_run_direct.yaml
@@ -7,7 +7,7 @@ spec:
   new_cluster:
     spark_version: 5.3.x-scala2.11
     node_type_id: Standard_D3_v2
-    num_workers: 10
+    num_workers: 3
   libraries:
     - jar: 'dbfs:/my-jar.jar'
     - maven: