properly getting CR URL

__tests__/fs-helper.test.ts

@@ -1,5 +1,6 @@
 import * as fsHelper from '../src/fs-helper'
 import * as fs from 'fs'
+import * as path from 'path'
 import * as os from 'os'
 import { execSync } from 'child_process'
 
@@ -131,6 +132,33 @@ describe('isDirectory', () => {
   })
 })
 
+describe('isActionRepo', () => {
+  let stagingDir: string
+
+  beforeEach(() => {
+    stagingDir = fsHelper.createTempDir()
+  })
+
+  afterEach(() => {
+    fs.rmSync(stagingDir, { recursive: true })
+  })
+
+  it('returns true if action.yml exists at the root', () => {
+    fs.writeFileSync(path.join(stagingDir, `action.yml`), fileContent)
+    expect(fsHelper.isActionRepo(stagingDir)).toEqual(true)
+  })
+
+  it('returns true if action.yaml exists at the root', () => {
+    fs.writeFileSync(path.join(stagingDir, `action.yaml`), fileContent)
+    expect(fsHelper.isActionRepo(stagingDir)).toEqual(true)
+  })
+
+  it("returns false if action.y(a)ml doesn't exist at the root", () => {
+    fs.writeFileSync(path.join(stagingDir, `action.yaaml`), fileContent)
+    expect(fsHelper.isActionRepo(stagingDir)).toEqual(false)
+  })
+})
+
 describe('readFileContents', () => {
   let dir: string