DodoApp: Implement user synchronization API

Change-Id: Id38c96f379832d2d5034e215de2e51d28a25634c
diff --git a/core/installer/welcome/env_test.go b/core/installer/welcome/env_test.go
index 1c18470..414fac8 100644
--- a/core/installer/welcome/env_test.go
+++ b/core/installer/welcome/env_test.go
@@ -118,6 +118,10 @@
 	return mockRepoIO{soft.NewBillyRepoFS(f.envFS), "foo.bar", f.t, &l}, nil
 }
 
+func (f fakeSoftServeClient) GetAllRepos() ([]string, error) {
+	return []string{}, nil
+}
+
 func (f fakeSoftServeClient) GetRepoAddress(name string) string {
 	return ""
 }