Use the main array-api-tests repo instead of my fork on CI

Author: asmeurer

.github/workflows/array-api-tests.yml

@@ -41,13 +41,9 @@ jobs:
     - name: Checkout array-api-tests
       uses: actions/checkout@v3
       with:
-        # repository: data-apis/array-api-tests
+        repository: data-apis/array-api-tests
         submodules: 'true'
         path: array-api-tests
-
-        # Temporarily use https://github.com/data-apis/array-api-tests/pull/157
-        repository: asmeurer/array-api-tests
-        ref: xfails-file
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v1
       with: