Fix CI test

source/test/diff.ts

@@ -39,36 +39,30 @@ test('diff cli', async t => {
 	const file = path.join(__dirname, 'fixtures/diff');
 
 	const {exitCode, stderr} = await t.throwsAsync<ExecaError>(execa('dist/cli.js', [file, '--show-diff']));
-	const expectedLines = stderr.trim().split('\n').slice(1).map(line => line.trim());
+	const expectedLines = stderr.trim().split('\n').map(line => line.trim()).filter(Boolean);
 
 	t.is(exitCode, 1);
 
 	t.deepEqual(expectedLines, [
+		'dist\\test\\fixtures\\diff\\index.test-d.ts:8:0',
 		'✖   8:0  Parameter type { life?: number | undefined; } is declared too wide for argument type { life: number; }.',
-		'',
 		'- { life?: number | undefined; }',
 		'+ { life: number; }',
 		'✖   9:0  Parameter type FooFunction is not identical to argument type () => number.',
-		'',
 		'- (x?: string | undefined) => number',
 		'+ () => number',
 		'✖  10:0  Parameter type FooType is declared too wide for argument type Required<FooType>.',
-		'',
 		'- { foo?: "foo" | undefined; }',
 		'+ { foo: "foo"; }',
 		'✖  11:0  Parameter type Partial<FooInterface> is declared too wide for argument type Required<FooInterface>.',
-		'',
 		'- { [x: string]: unknown; readonly protected?: boolean | undefined; fooType?: FooType | undefined; id?: "foo-interface" | undefined; }',
 		'+ { [x: string]: unknown; readonly protected: boolean; fooType: FooType; id: "foo-interface"; }',
 		'✖  13:0  Argument of type { life: number; } is assignable to parameter of type { life?: number | undefined; }.',
-		'',
 		'- { life?: number | undefined; }',
 		'+ { life: number; }',
 		'✖  18:0  Documentation comment This is a comment. for expression commented does not include expected This is not the same comment!.',
-		'',
 		'- This is not the same comment!',
 		'+ This is a comment.',
-		'',
 		'6 errors'
 	]);
 });