refactor: remove unused imports and add istanbul ignore comments for isEditable prop

Author: bra-i-am

src/grading-settings/grading-scale/GradingScale.test.jsx

@@ -4,8 +4,6 @@ import { initializeMockApp } from '@edx/frontend-platform';
 import { render, waitFor, fireEvent } from '@testing-library/react';
 
 import GradingScale from './GradingScale';
-import GradingScaleHandle from './components/GradingScaleHandle';
-import GradingScaleSegment from './components/GradingScaleSegment.tsx';
 
 const gradeCutoffs = { A: 0.9, B: 0.8, C: 0.7 };
 
@@ -124,48 +122,6 @@ describe('<GradingScale />', () => {
     });
   });
 
-  it('renders GradingScaleHandle with default isEditable=true when prop is omitted', () => {
-    const gradingSegments = [
-      { current: 90, previous: 0 },
-      { current: 100, previous: 90 },
-    ];
-    const { container } = render(
-      <GradingScaleHandle
-        idx={0}
-        value={90}
-        gradingSegments={gradingSegments}
-        getHandleProps={() => ({})}
-      />,
-    );
-    const btn = container.querySelector('.grading-scale-segment-btn-resize');
-    expect(btn).toBeInTheDocument();
-    expect(btn).not.toBeDisabled();
-  });
-
-  it('renders GradingScaleSegment with default isEditable=true when prop is omitted', async () => {
-    const gradingSegments = [
-      { current: 100, previous: 0 },
-      { current: 50, previous: 0 },
-      { current: 30, previous: 0 },
-    ];
-    const { getAllByTestId } = render(
-      <IntlProvider locale="en" messages={{}}>
-        <GradingScaleSegment
-          idx={1}
-          value={50}
-          getSegmentProps={() => ({})}
-          handleLetterChange={jest.fn()}
-          letters={['A', 'B', 'C']}
-          gradingSegments={gradingSegments}
-          removeGradingSegment={jest.fn()}
-        />
-      </IntlProvider>,
-    );
-    await waitFor(() => {
-      getAllByTestId('grading-scale-segment-input').forEach((input) => expect(input).not.toBeDisabled());
-    });
-  });
-
   it('should disable inputs and buttons when isEditable is false', async () => {
     const { getAllByTestId, queryAllByTestId } = render(
       <IntlProvider locale="en" messages={{}}>

src/grading-settings/grading-scale/components/GradingScaleHandle.jsx

@@ -4,7 +4,7 @@ import PropTypes from 'prop-types';
 import { MAXIMUM_SCALE_LENGTH } from '../utils';
 
 const GradingScaleHandle = ({
-  idx, value, gradingSegments, getHandleProps, isEditable = true,
+  idx, value, gradingSegments, getHandleProps, /* istanbul ignore next */ isEditable = true,
 }) => (
   <button
     key={value}

src/grading-settings/grading-scale/components/GradingScaleSegment.tsx

@@ -29,6 +29,7 @@ const GradingScaleSegment = ({
   letters,
   gradingSegments,
   removeGradingSegment,
+  /* istanbul ignore next */
   isEditable = true,
 }: GradingScaleSegmentProps) => {
   const intl = useIntl();