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: imagemagick_test.go
    path of file: ./repos/golang-samples/run/image-processing/imagemagick
    
    the code of the file until where you have to start completion: // Copyright 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
    
func TestBlurOffensiveImages(t *testing.T) {
	projectID := os.Getenv("GOLANG_SAMPLES_PROJECT_ID")
	if projectID == "" {
		t.Skip("GOLANG_SAMPLES_PROJECT_ID not set")
	}

	log.SetOutput(ioutil.Discard)

	outputBucket := projectID + "-test-blurred"
	os.Setenv("BLURRED_BUCKET_NAME", outputBucket)

	e := GCSEvent{
		Bucket: projectID,
		Name:   "functions/zombie.jpg",
	}
	ctx := context.Background()

	inputBlob := storageClient.Bucket(projectID).Object(e.Name)
	if _, err := inputBlob.Attrs(ctx); err != nil {
		t.Skipf("could not get input file: %s: %v", inputBlob.ObjectName(), err)
	}

	b := storageClient.Bucket(outputBucket)
	b.Create(ctx, projectID, nil)
	outputBlob := b.Object(e.Name)
	outputBlob.Delete(ctx) // Ensure the output file doesn't already exist.

	if err := BlurOffensiveImages(ctx, e); err != nil {
		t.Fatalf("BlurOffensiveImages(%v) got error: %v", e, err)
	}

	if _, err := outputBlob.Attrs(ctx); err != nil {
		t.Fatalf("BlurOffensiveImages(%v) got error when checking output: %v", e, err)
	}
	outputBlob.Delete(ctx)
}