}
		if hdr.Size != v.wantSize {
			t.Errorf("test %d, Header.Size = %d, want %d", i, hdr.Size, v.wantSize)
		}
		if hdr.Name != v.wantName {
			t.Errorf("test %d, Header.Name = %s, want %s", i, hdr.Name, v.wantName)
		}
		if v.wantErr == nil && r.Len() == 0 {
			t.Errorf("test %d, canary byte unexpectedly consumed", i)
		}
	}
}

	if !reflect.DeepEqual(mpe, want) {
		t.Errorf("err = %#v; want %#v", mpe, want)
	}

	// TODO(#45999): Since the name is ambiguous, pkg.Name should be left empty.
	if wantName := "main"; pkg.Name != wantName {
		t.Errorf("pkg.Name = %q; want %q", pkg.Name, wantName)
	}

	if wantGoFiles := []string{"file.go", "file_appengine.go"}; !reflect.DeepEqual(pkg.GoFiles, wantGoFiles) {

				inputYAMLs := splitYamlFile(inputFilePath, t)
				wantYAMLs := splitYamlFile(wantFilePath, t)
				for i := 0; i < len(inputYAMLs); i++ {
					t.Run(fmt.Sprintf("yamlPart[%d]", i), func(t *testing.T) {
						runWebhook(t, webhook, inputYAMLs[i], wantYAMLs[i], true)
					})
				}
			})
		})
	}