[Tests] jsx-no-useless-fragment, jsx-fragments, function-component-definition: use output: null to assert no autofix

Author: mdjermanovic

tests/lib/rules/function-component-definition.js

@@ -807,11 +807,7 @@ ruleTester.run('function-component-definition', rule, {
  return <div/>;
  }
  `,
- output: `
- var Hello: React.FC<Test> = function(props) {
- return <div/>;
- }
- `,
+ output: null,
  options: [{ namedComponents: 'function-declaration' }],
  errors: [{ messageId: 'function-declaration' }],
  features: ['types'],
@@ -822,11 +818,7 @@ ruleTester.run('function-component-definition', rule, {
  return <div/>;
  };
  `,
- output: `
- var Hello: React.FC<Test> = (props) => {
- return <div/>;
- };
- `,
+ output: null,
  options: [{ namedComponents: 'function-declaration' }],
  errors: [{ messageId: 'function-declaration' }],
  features: ['types'],
@@ -852,11 +844,7 @@ ruleTester.run('function-component-definition', rule, {
  return <div/>;
  }
  `,
- output: `
- function Hello<Test>(props: Test) {
- return <div/>;
- }
- `,
+ output: null,
  options: [{ namedComponents: 'arrow-function' }],
  errors: [{ messageId: 'arrow-function' }],
  features: ['types'],
@@ -963,13 +951,7 @@ ruleTester.run('function-component-definition', rule, {
  }
  }
  `,
- output: `
- function wrap(Component) {
- return function<Test>(props) {
- return <div><Component {...props}/></div>
- }
- }
- `,
+ output: null,
  errors: [{ messageId: 'arrow-function' }],
  options: [{ unnamedComponents: 'arrow-function' }],
  features: ['types'],

tests/lib/rules/jsx-fragments.js

@@ -142,7 +142,7 @@ ruleTester.run('jsx-fragments', rule, {
  },
  {
  code: '<><Foo /></>',
- output: '<><Foo /></>', // should get '<Act.Frag><Foo /></Act.Frag>', but the old TS parser lacks opening/closing Fragment info
+ output: null, // should get '<Act.Frag><Foo /></Act.Frag>', but the old TS parser lacks opening/closing Fragment info
  features: ['fragment', 'no-babel', 'ts', 'no-ts-new'],
  options: ['element'],
  settings,

tests/lib/rules/jsx-no-useless-fragment.js

@@ -194,7 +194,7 @@ ruleTester.run('jsx-no-useless-fragment', rule, {
  },
  {
  code: '<div><>{"a"}{"b"}</></div>',
- output: '<div><>{"a"}{"b"}</></div>',
+ output: null,
  errors: [{ messageId: 'ChildOfHtmlElement', type: 'JSXFragment' }],
  features: ['fragment', 'ts-old', 'no-ts-new', 'no-babel', 'no-default'],
  },