return getMethod(tester.getClass(), tester.getTestMethodName());
    } else if (test instanceof TestCase) {
      TestCase testCase = (TestCase) test;
      return getMethod(testCase.getClass(), testCase.getName());
    } else {
      throw new IllegalArgumentException("unable to extract method from test: not a TestCase.");
    }
  }

			gotIndexes, err := getSetIndexes(testCase.args, testCase.totalSizes, testCase.envOverride, argPatterns)
			if err != nil && testCase.success {
				t.Errorf("Expected success but failed instead %s", err)
			}
			if err == nil && !testCase.success {
				t.Errorf("Expected failure but passed instead")
			}
			if !reflect.DeepEqual(testCase.indexes, gotIndexes) {
				t.Errorf("Expected %v, got %v", testCase.indexes, gotIndexes)
			}
		})

    else:
      case_name = f' Invocation {invocation_id}'
    case_attrib.update({'name': case_name,
                        'status': 'run', 'result': 'completed'})

    testcase = ElemTree.SubElement(testsuite, 'testcase', attrib=case_attrib)
    if status in (InvokeStatus.tests_failed, InvokeStatus.build_failed):
      if status == InvokeStatus.tests_failed:
        failure_count += 1
        elem_name = 'failure'

			expectedErrCode:  ErrNone,
		},
	}
	for i, testCase := range testCases {
		actualSignStr, actualErrCode := parseSignature(testCase.inputSignElement)
		if testCase.expectedErrCode != actualErrCode {
			t.Fatalf("Test %d: Expected the APIErrCode to be %d, got %d", i+1, testCase.expectedErrCode, actualErrCode)
		}
		if actualErrCode == ErrNone {
			if testCase.expectedSignStr != actualSignStr {

	}

	// Test them.
	for _, testCase := range testCases {
		index, offset, err := fi.ObjectToPartOffset(t.Context(), testCase.offset)
		if err != testCase.expectedErr {
			t.Fatalf("%+v: expected = %s, got: %s", testCase, testCase.expectedErr, err)
		}
		if index != testCase.expectedIndex {
			t.Fatalf("%+v: index: expected = %d, got: %d", testCase, testCase.expectedIndex, index)
		}

		},
	}
	for i, testCase := range testCases {
		if testCase.errStr != "" {
			got := releaseTimeToReleaseTag(testCase.t)
			if got != testCase.tag && testCase.errStr == "" {
				t.Errorf("Test %d: Expected %v but got %v", i+1, testCase.tag, got)
			}
		}
		tagTime, err := releaseTagToReleaseTime(testCase.tag)
		if err != nil && err.Error() != testCase.errStr {

	}

	for i, testCase := range testCases {
		result, err := storage.ListDir(t.Context(), "", testCase.volumeName, testCase.prefix, -1)
		expectErr := (err != nil)

		if expectErr != testCase.expectErr {
			t.Fatalf("case %v: error: expected: %v, got: %v", i+1, testCase.expectErr, expectErr)
		}

		if !testCase.expectErr {
			if !reflect.DeepEqual(result, testCase.expectedResult) {

	}

	for i, testCase := range testCases {
		if _, err := testCase.reader.Seek(0, 0); err != nil {
			panic(err)
		}
		_, err := ParseConfig(testCase.reader, testCase.region, testCase.targetList)
		expectErr := (err != nil)

		if expectErr != testCase.expectErr {
			t.Fatalf("test %v: error: expected: %v, got: %v", i+1, testCase.expectErr, expectErr)
		}
	}

	}

	// Validates all testcases.
	for i, testCase := range testCases {
		s3Error := isReqAuthenticated(ctx, testCase.req, globalSite.Region(), serviceS3)
		if s3Error != testCase.s3Error {
			if _, err := io.ReadAll(testCase.req.Body); toAPIErrorCode(ctx, err) != testCase.s3Error {
				t.Fatalf("Test %d: Unexpected S3 error: want %d - got %d (got after reading request %s)", i, testCase.s3Error, s3Error, toAPIError(ctx, err).Code)

			success:    false,
		},
	}

	for i, testCase := range testCases {
		t.Run(fmt.Sprintf("case-%d", i+1), func(t *testing.T) {
			_, err := NewReader(t.Context(), testCase.src, testCase.size, testCase.md5hex, testCase.sha256hex, testCase.actualSize)
			if err != nil && testCase.success {
				t.Errorf("Test %q: Expected success, but got error %s instead", testCase.desc, err)
			}
			if err == nil && !testCase.success {