test: fix test for directive prefix

Author: Alan Agius

tests/legacy-cli/e2e/tests/generate/directive/directive-prefix.ts

@@ -16,15 +16,16 @@ export default function() {
     .then(() => ng('generate', 'directive', 'test2-directive'))
     .then(() => expectFileToMatch(join(directiveDir, 'test2-directive.directive.ts'),
       /selector: '\[preW/))
+    .then(() => ng('generate', 'application', 'app-two', '--skip-install'))
     .then(() => updateJsonFile('angular.json', configJson => {
       configJson.projects['test-project'].schematics = {
         '@schematics/angular:directive': { prefix: 'preP' }
       };
     }))
-    .then(() => process.chdir('e2e/src'))
+    .then(() => process.chdir('projects/app-two'))
     .then(() => ng('generate', 'directive', '--skip-import', 'test3-directive'))
     .then(() => process.chdir('../..'))
-    .then(() => expectFileToMatch(join('e2e', 'src', 'test3-directive.directive.ts'),
+    .then(() => expectFileToMatch(join('projects', 'app-two', 'test3-directive.directive.ts'),
       /selector: '\[preW/))
     .then(() => process.chdir('src/app'))
     .then(() => ng('generate', 'directive', 'test-directive'))