Imports of package testing

PathSynopsis
contextPackage context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
cryptoPackage crypto collects common cryptographic constants.
crypto/randPackage rand implements a cryptographically secure random number generator.
crypto/rsaPackage rsa implements RSA encryption as specified in PKCS #1 and RFC 8017.
crypto/sha256Package sha256 implements the SHA224 and SHA256 hash algorithms as defined in FIPS 180-4.
crypto/tlsPackage tls partially implements TLS 1.2, as specified in RFC 5246, and TLS 1.3, as specified in RFC 8446.
crypto/x509Package x509 implements a subset of the X.509 standard.
crypto/x509/pkixPackage pkix contains shared, low level structures used for ASN.1 parsing and serialization of X.509 certificates, CRL and OCSP.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/google/martian/v3Package martian provides an HTTP/1.1 proxy with an API for configurable request and response modifiers.
github.com/google/martian/v3/cybervillainsPackage cybervillains provides the publically published Selenium project CyberVillains certificate and key.
github.com/google/martian/v3/h2Package h2 contains basic HTTP/2 handling for Martian.
github.com/google/martian/v3/h2/testservice
github.com/google/martian/v3/mitmPackage mitm provides tooling for MITMing TLS connections.
google.golang.org/grpcPackage grpc implements an RPC system called gRPC.
google.golang.org/grpc/credentialsPackage credentials implements various credentials supported by gRPC library, which encapsulate all the state needed by a client to authenticate with a server and make various assertions, e.g., about the client's identity, role, or whether it is authorized to make a particular call.
ioPackage io provides basic interfaces to I/O primitives.
io/ioutilPackage ioutil implements some I/O utility functions.
logPackage log implements a simple logging package.
netPackage net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets.
net/httpPackage http provides HTTP client and server implementations.
osPackage os provides a platform-independent interface to operating system functionality.
strconvPackage strconv implements conversions to and from string representations of basic data types.
syncPackage sync provides basic synchronization primitives such as mutual exclusion locks.
timePackage time provides functionality for measuring and displaying time.