patch: basic E2E tests for macOS

lib/gui/app/components/source-selector/source-selector.tsx

@@ -165,6 +165,7 @@ const URLSelector = ({
 			cancel={cancel}
 			primaryButtonProps={{
 				disabled: loading || !imageURL,
+				'data-testid': 'source-url-ok',
 			}}
 			action={loading ? <Spinner /> : i18next.t('ok')}
 			done={async () => {
@@ -186,6 +187,7 @@ const URLSelector = ({
 					</Txt>
 					<Input
 						value={imageURL}
+						data-testid="source-url-input"
 						placeholder={i18next.t('source.enterValidURL')}
 						type="text"
 						onChange={(evt: React.ChangeEvent<HTMLInputElement>) =>
@@ -638,6 +640,7 @@ export class SourceSelector extends React.Component<
 							</StepNameButton>
 							{!flashing && !imageLoading && (
 								<ChangeButton
+									data-testid="change-image"
 									plain
 									mb={14}
 									onClick={() => this.reselectSource()}
@@ -655,6 +658,7 @@ export class SourceSelector extends React.Component<
 								disabled={this.state.imageSelectorOpen}
 								primary={this.state.defaultFlowActive}
 								key="Flash from file"
+								data-testid="flash-from-file"
 								flow={{
 									onClick: () => this.openImageSelector(),
 									label: i18next.t('source.fromFile'),
@@ -665,6 +669,7 @@ export class SourceSelector extends React.Component<
 							/>
 							<FlowSelector
 								key="Flash from URL"
+								data-testid="flash-from-url"
 								flow={{
 									onClick: () => this.openURLSelector(),
 									label: i18next.t('source.fromURL'),