test: add missing UTs for OS image config cloud settings (#7557)

Author: cameronmeissner

pkg/agent/datamodel/osimageconfig_test.go

@@ -0,0 +1,27 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT license.
+
+package datamodel
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestOSImageConfigForCloudSettings(t *testing.T) {
+	clouds := []string{
+		AzureBleuCloud,
+		AzureChinaCloud,
+		AzureGermanCloud,
+		AzureGermanyCloud,
+		AzurePublicCloud,
+		AzureUSGovernmentCloud,
+		USNatCloud,
+		USSecCloud,
+	}
+	for _, cloud := range clouds {
+		assert.Contains(t, AzureCloudToOSImageMap, cloud)
+		assert.NotEmpty(t, AzureCloudToOSImageMap[cloud])
+	}
+}