Remove useless ecmaVersion in tests (#2724)

Author: fisker

test/empty-brace-spaces.js

@@ -52,7 +52,7 @@ test({
 		// `with`
 		{
 			code: 'with (foo) {}',
-			languageOptions: {ecmaVersion: 5, sourceType: 'script'},
+			languageOptions: {sourceType: 'script'},
 		},
 		// We don't check these cases
 		...ignoredCases.map(code => code.replace(SPACES_PLACEHOLDER, '   ')),
@@ -74,7 +74,7 @@ test({
 			code: 'with (foo) {     }',
 			output: 'with (foo) {}',
 			errors: 1,
-			languageOptions: {ecmaVersion: 5, sourceType: 'script'},
+			languageOptions: {sourceType: 'script'},
 		},
 	],
 });

test/no-null.js

@@ -36,6 +36,11 @@ test.snapshot({
 			code,
 			options: [{checkStrictEquality: false}],
 		})),
+		// #1146
+		{
+			code: 'foo = Object.create(null)',
+			languageOptions: {ecmaVersion: 2019},
+		},
 	],
 	invalid: [
 		'const foo = null',
@@ -102,18 +107,3 @@ test.snapshot({
 		'Object.create(bar, null)',
 	],
 });
-
-// #1146
-test({
-	testerOptions: {
-		languageOptions: {
-			parserOptions: {
-				ecmaVersion: 2019,
-			},
-		},
-	},
-	valid: [
-		'foo = Object.create(null)',
-	],
-	invalid: [],
-});

test/number-literal-case.js

@@ -14,7 +14,6 @@ test({
 	testerOptions: {
 		languageOptions: {
 			parserOptions: {
-				ecmaVersion: 5,
 				sourceType: 'script',
 			},
 		},

test/numeric-separators-style.js

@@ -7,8 +7,6 @@ const error = {
 	messageId: 'numeric-separators-style',
 };
 
-const legacyOctalLanguageOptions = {ecmaVersion: 6, sourceType: 'script'};
-
 // Most of these test cases copied from:
 // https://github.com/eslint/eslint/blob/master/tests/lib/rules/camelcase.js
 test({
@@ -34,7 +32,7 @@ test({
 			'const foo = 0777777',
 			'var foo = 0999999',
 			'let foo = 0111222',
-		].map(code => ({code, languageOptions: legacyOctalLanguageOptions})),
+		].map(code => ({code, languageOptions: {sourceType: 'script'}})),
 
 		// Binary
 		'const foo = 0b1010_0001_1000_0101',

test/prefer-bigint-literals.js

@@ -24,7 +24,6 @@ test.snapshot({
 		'BigInt("not-number")',
 		'BigInt("1_2")',
 		'BigInt("1\\\n2")',
-		'BigInt("1\\\n2")',
 		String.raw`BigInt("\u{31}")`,
 	],
 	invalid: [

test/prefer-spread.js

@@ -275,7 +275,7 @@ test.snapshot({
 		'do foo.concat(1); while (test)',
 		{
 			code: 'with (foo) foo.concat(1)',
-			languageOptions: {parserOptions: {ecmaVersion: 6, sourceType: 'script'}},
+			languageOptions: {parserOptions: {sourceType: 'script'}},
 		},
 		// Code from example in docs
 		outdent`