You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: dependency_test.go
    path of file: ./repos/helm/pkg/chart
    
    the code of the file until where you have to start completion: /*
Copyright The Helm Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

	http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License 
    
func TestValidateDependency(t *testing.T) {
	dep := &Dependency{
		Name: "example",
	}
	for value, shouldFail := range map[string]bool{
		"abcdefghijklmenopQRSTUVWXYZ-0123456780_": false,
		"-okay":      false,
		"_okay":      false,
		"- bad":      true,
		" bad":       true,
		"bad\nvalue": true,
		"bad ":       true,
		"bad$":       true,
	} {
		dep.Alias = value
		res := dep.Validate()
		if res != nil && !shouldFail {
			t.Errorf("Failed on case %q", dep.Alias)
		} else if res == nil && shouldFail {
			t.Errorf("Expected failure for %q", dep.Alias)
		}
	}
}