Backport PR #43613 on branch 1.3.x (CI: Add back CircleCI for ARM64) (#43615)

Author: meeseeksmachine

.circleci/config.yml

@@ -0,0 +1,21 @@
+version: 2.1
+
+jobs:
+  test-arm:
+    machine:
+      image: ubuntu-2004:202101-01
+    resource_class: arm.medium
+    environment:
+      ENV_FILE: ci/deps/circle-37-arm64.yaml
+      PYTEST_WORKERS: auto
+      PATTERN: "not slow and not network and not clipboard and not arm_slow"
+      PYTEST_TARGET: "pandas"
+    steps:
+      - checkout
+      - run: ci/setup_env.sh
+      - run: PATH=$HOME/miniconda3/envs/pandas-dev/bin:$HOME/miniconda3/condabin:$PATH ci/run_tests.sh
+
+workflows:
+  test:
+    jobs:
+      - test-arm

pandas/tests/indexes/numeric/test_numeric.py

@@ -2,10 +2,7 @@
 import pytest
 
 from pandas._libs.tslibs import Timestamp
-from pandas.compat import (
-    is_platform_arm,
-    is_platform_mac,
-)
+from pandas.compat import is_platform_arm
 
 import pandas as pd
 from pandas import (
@@ -536,7 +533,7 @@ def test_constructor(self, dtype):
         tm.assert_index_equal(res, idx)
 
     @pytest.mark.xfail(
-        not (is_platform_arm() and is_platform_mac()),
+        not is_platform_arm(),
         reason="https://github.com/numpy/numpy/issues/19146",
     )
     def test_constructor_does_not_cast_to_float(self):