test: fix the test for global eslint

Author: aminya

spec/worker-helpers-spec.js

@@ -120,12 +120,13 @@ describe('Worker Helpers', () => {
     })
 
     it('cries if global eslint is not found', () => {
-      expect(() => {
-        const config = createConfig({
-          global: { useGlobalEslint: true, globalNodePath: getFixturesPath('files') }
-        })
-        Helpers.getESLintInstance(getFixturesPath('local-eslint'), config)
-      }).toThrow()
+      const config = createConfig({
+        global: { useGlobalEslint: true, globalNodePath: getFixturesPath('files') }
+      })
+      spyOn(console, 'error')
+      Helpers.getESLintInstance(getFixturesPath('local-eslint'), config)
+      expect(console.error).toHaveBeenCalledWith(`Global ESLint is not found, please ensure the global Node path is set correctly.
+    If you wanted to use a local installation of Eslint, disable Global Eslint option in the linter-eslint config.`)
     })
 
     it('tries to find a local eslint with nested node_modules', () => {