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: schemaregistry_client_test.go
    path of file: ./repos/confluent-kafka-go/schemaregistry
    
    the code of the file until where you have to start completion: /**
 * Copyright 2022 Confluent Inc.
 *
 * 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 expres
    
func TestClient(t *testing.T) {
	maybeFail = initFailFunc(t)

	url := testconf.getString("SchemaRegistryURL")
	if url == "" {
		url = "mock://"
	}
	conf := NewConfig(url)

	var err error
	srClient, err = NewClient(conf)
	maybeFail("schema registry client instantiation ", err)

	var subjects = make([]string, len(schemaTests))
	var ids = make([][]int, len(schemaTests))
	var versions = make([][]int, len(schemaTests))
	var schemas = make([][]SchemaInfo, len(schemaTests))
	var version int

	for idx, schemaTestVersions := range schemaTests {
		var currentVersions = make([]int, 0)
		subject := fmt.Sprintf("schema%d-key", idx)
		srClient.DeleteSubject(subject, false)
		srClient.DeleteSubject(subject, true)
		subjects[idx] = subject
		for _, schemaTest := range schemaTestVersions {
			buff, err := ioutil.ReadFile(schemaTest)
			if err != nil {
				panic(err)
			}
			schema := SchemaInfo{
				Schema: string(buff),
			}

			id := testRegister(subject, schema)
			version = testGetVersion(subject, schema)

			// The schema registry will return a normalized Avro Schema so we can't directly compare the two
			// To work around this we retrieve a normalized schema from the Schema registry first for comparison
			normalized := testGetBySubjectAndID(subject, id)
			testGetSchemaMetadata(subject, version, normalized.Schema)
			testGetLatestSchemaMetadata(subject)

			testUpdateCompatibility(subject, Forward, Forward)
			testGetCompatibility(subject, Forward)

			testUpdateDefaultCompatibility(None, None)
			testGetDefaultCompatibility(None)

			currentVersions = append(currentVersions, version)
			testGetAllVersions(subject, currentVersions)

			ids[idx] = append(ids[idx], id)
			versions[idx] = append(versions[idx], version)
			schemas[idx] = append(schemas[idx], schema)
		}
	}

	lastSubject := len(subjects) - 1
	secondToLastSubject := len(subjects) - 2
	testDeleteSubject(subjects[lastSubject], false, versions[lastSubject], ids[lastSubject], schemas[lastSubject])
	testDeleteSubjectVersion(subjects[secondToLastSubject], false, versions[secondToLastSubject][0], versions[secondToLastSubject][0], ids[secondToLastSubject][0], schemas[secondToLastSubject][0])
	// Second to last subject now has only one version
	initialVersionsSecondToLastSubject := versions[secondToLastSubject][0:]
	initialSchemasSecondToLastSubject := schemas[secondToLastSubject][0:]
	initialIdsSecondToLastSubject := ids[secondToLastSubject][0:]
	versions[secondToLastSubject] = versions[secondToLastSubject][1:]
	schemas[secondToLastSubject] = schemas[secondToLastSubject][1:]
	ids[secondToLastSubject] = ids[secondToLastSubject][1:]
	// Only last subject has been removed completely
	testGetAllSubjects(subjects[:lastSubject])
	remainingSubjects := subjects[:lastSubject]
	testRemainingVersions(remainingSubjects, schemas, ids, versions)
	// Cleanup subjects
	for i := range remainingSubjects {
		testDeleteSubject(remainingSubjects[i], false, versions[i], ids[i], schemas[i])
		if i == secondToLastSubject {
			testDeleteSubject(remainingSubjects[i], true, initialVersionsSecondToLastSubject, initialIdsSecondToLastSubject, initialSchemasSecondToLastSubject)
		} else {
			testDeleteSubject(remainingSubjects[i], true, versions[i], ids[i], schemas[i])
		}
	}
}