e := NewGCP()
			got := e.Metadata()
			assert.Equal(t, got, tt.want)
		})
	}
}

func TestMetadataCache(t *testing.T) {
	tests := []struct {
		name                string
		shouldFill          shouldFillFn
		projectIDFn         metadataFn
		numericProjectIDFn  metadataFn
		locationFn          metadataFn