Rewrite no-is-mounted tests with template literals

Author: jseminck

tests/lib/rules/no-is-mounted.js

@@ -28,77 +28,77 @@ const ruleTester = new RuleTester({parserOptions});
 ruleTester.run('no-is-mounted', rule, {
 
   valid: [{
-    code: [
-      'var Hello = function() {',
-      '};'
-    ].join('\n')
+    code: `
+      var Hello = function() {
+      };
+    `
   }, {
-    code: [
-      'var Hello = createReactClass({',
-      '  render: function() {',
-      '    return <div>Hello</div>;',
-      '  }',
-      '});'
-    ].join('\n')
+    code: `
+      var Hello = createReactClass({
+        render: function() {
+          return <div>Hello</div>;
+        }
+      });
+    `
   }, {
-    code: [
-      'var Hello = createReactClass({',
-      '  componentDidUpdate: function() {',
-      '    someNonMemberFunction(arg);',
-      '    this.someFunc = this.isMounted;',
-      '  },',
-      '  render: function() {',
-      '    return <div>Hello</div>;',
-      '  }',
-      '});'
-    ].join('\n')
+    code: `
+      var Hello = createReactClass({
+        componentDidUpdate: function() {
+          someNonMemberFunction(arg);
+          this.someFunc = this.isMounted;
+        },
+        render: function() {
+          return <div>Hello</div>;
+        }
+      });
+    `
   }],
 
   invalid: [{
-    code: [
-      'var Hello = createReactClass({',
-      '  componentDidUpdate: function() {',
-      '    if (!this.isMounted()) {',
-      '      return;',
-      '    }',
-      '  },',
-      '  render: function() {',
-      '    return <div>Hello</div>;',
-      '  }',
-      '});'
-    ].join('\n'),
+    code: `
+      var Hello = createReactClass({
+        componentDidUpdate: function() {
+          if (!this.isMounted()) {
+            return;
+          }
+        },
+        render: function() {
+          return <div>Hello</div>;
+        }
+      });
+    `,
     errors: [{
       message: 'Do not use isMounted'
     }]
   }, {
-    code: [
-      'var Hello = createReactClass({',
-      '  someMethod: function() {',
-      '    if (!this.isMounted()) {',
-      '      return;',
-      '    }',
-      '  },',
-      '  render: function() {',
-      '    return <div onClick={this.someMethod.bind(this)}>Hello</div>;',
-      '  }',
-      '});'
-    ].join('\n'),
+    code: `
+      var Hello = createReactClass({
+        someMethod: function() {
+          if (!this.isMounted()) {
+            return;
+          }
+        },
+        render: function() {
+          return <div onClick={this.someMethod.bind(this)}>Hello</div>;
+        }
+      });
+    `,
     errors: [{
       message: 'Do not use isMounted'
     }]
   }, {
-    code: [
-      'class Hello extends React.Component {',
-      '  someMethod() {',
-      '    if (!this.isMounted()) {',
-      '      return;',
-      '    }',
-      '  }',
-      '  render() {',
-      '    return <div onClick={this.someMethod.bind(this)}>Hello</div>;',
-      '  }',
-      '};'
-    ].join('\n'),
+    code: `
+      class Hello extends React.Component {
+        someMethod() {
+          if (!this.isMounted()) {
+            return;
+          }
+        }
+        render() {
+          return <div onClick={this.someMethod.bind(this)}>Hello</div>;
+        }
+      };
+    `,
     errors: [{
       message: 'Do not use isMounted'
     }]