diff --git a/.github/workflows/slow_tests.yml b/.github/workflows/slow_tests.yml
index 21f502b5c4..58d621fa0c 100644
--- a/.github/workflows/slow_tests.yml
+++ b/.github/workflows/slow_tests.yml
@@ -14,11 +14,11 @@ jobs:
     name: Start self-hosted EC2 runner
     runs-on: ubuntu-20.04
     env:
-      AWS_REGION: us-east-1
-      EC2_AMI_ID: ami-0a54664633b809ed5
+      AWS_REGION: us-west-2
+      EC2_AMI_ID: ami-0a20beab46db1fdb6
       EC2_INSTANCE_TYPE: dl1.24xlarge
-      EC2_SUBNET_ID: subnet-b7533b96
-      EC2_SECURITY_GROUP: sg-02677bbf33275aa0e
+      EC2_SUBNET_ID: subnet-452c913d
+      EC2_SECURITY_GROUP: sg-0472192d4db070348
     outputs:
       label: ${{ steps.start-ec2-runner.outputs.label }}
       ec2-instance-id: ${{ steps.start-ec2-runner.outputs.ec2-instance-id }}
@@ -49,7 +49,7 @@ jobs:
     needs: start-runner # required to start the main job when the runner is ready
     runs-on: ${{ needs.start-runner.outputs.label }} # run the job on the newly created runner
     env:
-      AWS_REGION: us-east-1
+      AWS_REGION: us-west-2
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -76,7 +76,7 @@ jobs:
       - example-diff  # run the job when the previous test job is done
     runs-on: ${{ needs.start-runner.outputs.label }} # run the job on the newly created runner
     env:
-      AWS_REGION: us-east-1
+      AWS_REGION: us-west-2
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -104,7 +104,7 @@ jobs:
       - multi-card  # run the job when the previous test jobs are done
     runs-on: ${{ needs.start-runner.outputs.label }} # run the job on the newly created runner
     env:
-      AWS_REGION: us-east-1
+      AWS_REGION: us-west-2
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -133,7 +133,7 @@ jobs:
       - single-card  # run the job when the previous test jobs are done
     runs-on: ${{ needs.start-runner.outputs.label }} # run the job on the newly created runner
     env:
-      AWS_REGION: us-east-1
+      AWS_REGION: us-west-2
     steps:
       - name: Checkout
         if: github.event.schedule == '0 23 * * 6'
@@ -169,7 +169,7 @@ jobs:
       - albert-xxl-single-card
     runs-on: ubuntu-20.04
     env:
-      AWS_REGION: us-east-1
+      AWS_REGION: us-west-2
     if: ${{ always() }} # required to stop the runner even if the error happened in the previous jobs
     steps:
       - name: Configure AWS credentials
diff --git a/tests/test_examples.py b/tests/test_examples.py
index 8f76bcef06..9e03528912 100644
--- a/tests/test_examples.py
+++ b/tests/test_examples.py
@@ -290,7 +290,8 @@ def assert_no_regression(self, results: Dict, baseline: Dict):
         self.assertGreaterEqual(
             number_asserted_metrics,
             2,
-            f"{number_asserted_metrics} asserted metric while at least 2 are expected (training time + accuracy). Metrics to assert: {self.REGRESSION_METRICS.keys()}. Metrics received: {baseline.keys()}",
+            f"{number_asserted_metrics} asserted metric while at least 2 are expected (training time + accuracy)."
+            f" Metrics to assert: {self.REGRESSION_METRICS.keys()}. Metrics received: {baseline.keys()}",
         )
 
 
@@ -326,8 +327,7 @@ class MultiCardLanguageModelingExampleTester(
     TASK_NAME = "wikitext"
 
 
-# TODO: uncomment when CI is moved from AWS
-# class MultiCardSummarizationExampleTester(
-#     ExampleTesterBase, metaclass=ExampleTestMeta, example_name="run_summarization", multi_card=True
-# ):
-#     TASK_NAME = "cnn_dailymail"
+class MultiCardSummarizationExampleTester(
+    ExampleTesterBase, metaclass=ExampleTestMeta, example_name="run_summarization", multi_card=True
+):
+    TASK_NAME = "cnn_dailymail"