Improve test

Author: armano2

tests/lib/rules/computed-property-return.js

@@ -75,7 +75,8 @@ ruleTester.run('computed-property-return', rule, {
       `,
       parserOptions: { ecmaVersion: 8, sourceType: 'module' },
       errors: [{
-        message: 'Expected to return a value in "foo" computed property.'
+        message: 'Expected to return a value in "foo" computed property.',
+        line: 4
       }]
     },
     {
@@ -90,7 +91,8 @@ ruleTester.run('computed-property-return', rule, {
       `,
       parserOptions: { ecmaVersion: 6, sourceType: 'module' },
       errors: [{
-        message: 'Expected to return a value in "foo" computed property.'
+        message: 'Expected to return a value in "foo" computed property.',
+        line: 4
       }]
     },
     {
@@ -108,7 +110,8 @@ ruleTester.run('computed-property-return', rule, {
       `,
       parserOptions: { ecmaVersion: 6, sourceType: 'module' },
       errors: [{
-        message: 'Expected to return a value in "foo" computed property.'
+        message: 'Expected to return a value in "foo" computed property.',
+        line: 4
       }]
     },
     {
@@ -127,7 +130,8 @@ ruleTester.run('computed-property-return', rule, {
       `,
       parserOptions: { ecmaVersion: 8, sourceType: 'module' },
       errors: [{
-        message: 'Expected to return a value in "foo" computed property.'
+        message: 'Expected to return a value in "foo" computed property.',
+        line: 7
       }]
     }
   ]