return p.token, nil
}

// GetIdentityProvider returns the name of the identity provider that can authenticate the workload credential.
func (p *MockPlugin) GetIdentityProvider() string {
	return "fakeIDP"
}

func (p *MockPlugin) Stop() {}

// MetadataServer mocks GCE metadata server.
type MetadataServer struct {
	server *httptest.Server

	numGetTokenCall int
	credential      string

package trace

// Frame is a frame in stack traces.
type Frame struct {
	PC   uint64
	Fn   string
	File string
	Line int
}

const (
	// Special P identifiers:
	FakeP    = 1000000 + iota
	TimerP   // depicts timer unblocks
	NetpollP // depicts network unblocks
	SyscallP // depicts returns from syscalls
	GCP      // depicts GC state
	ProfileP // depicts recording of CPU profile samples
)

type Frame struct {
	PC uint64
	// string ID of the function name
	Fn uint64
	// string ID of the file name
	File uint64
	Line int
}

const (
	// Special P identifiers:
	FakeP    = 1000000 + iota
	TimerP   // contains timer unblocks
	NetpollP // contains network unblocks
	SyscallP // contains returns from syscalls
	GCP      // contains GC state
	ProfileP // contains recording of CPU profile samples