Don't use ibmq_berlin

qiskit_ibm_runtime/ibm_runtime_service.py

@@ -1125,7 +1125,7 @@ def jobs(
                 are included.
             program_id: Filter by Program ID.
             instance: The service instance to use. Currently only supported for legacy runtime,
-                and should be in the hub/group/project.
+                and should be in the hub/group/project format.
 
         Returns:
             A list of runtime jobs.
@@ -1266,6 +1266,22 @@ def least_busy(
     ) -> ibm_backend.IBMBackend:
         """Return the least busy available backend.
 
+        Args:
+            min_num_qubits: Minimum number of qubits the backend has to have.
+            instance: The service instance to use. For cloud runtime, this is the Cloud Resource
+                Name (CRN). For legacy runtime, this is the hub/group/project in that format.
+            filters: More complex filters, such as lambda functions.
+                For example::
+
+                    AccountProvider.backends(
+                        filters=lambda b: b.configuration().quantum_volume > 16)
+
+            kwargs: Simple filters that specify a ``True``/``False`` criteria in the
+                backend configuration, backends status, or provider credentials.
+                An example to get the operational backends with 5 qubits::
+
+                    IBMRuntimeService.least_busy(n_qubits=5, operational=True)
+
         Returns:
             The backend with the fewest number of pending jobs.
 

test/test_account.py

@@ -45,12 +45,14 @@
     instance="crn:v1:bluemix:public:quantum-computing:us-east:a/...::",
 )
 
+
 # NamedTemporaryFiles not supported in Windows
 @skipIf(os.name == "nt", "Test not supported in Windows")
 class TestAccountManager(IBMTestCase):
     """Tests for AccountManager class."""
 
     @temporary_account_config_file(contents={})
+    @no_envs(["QISKIT_IBM_API_TOKEN"])
     def test_save_get(self):
         """Test save and get."""
 

test/test_integration_job.py

@@ -658,6 +658,9 @@ def _wait_for_status(self, job, status):
 
     def _get_real_device(self, service):
         try:
-            return service.least_busy(simulator=False).name()
+            # TODO: Remove filters when ibmq_berlin is removed
+            return service.least_busy(
+                simulator=False, filters=lambda b: b.name() != "ibmq_berlin"
+            ).name()
         except QiskitBackendNotFoundError:
             raise unittest.SkipTest("No real device")  # cloud has no real device

test/test_proxies.py

@@ -229,7 +229,6 @@ def test_proxy_urls(self, qe_token, qe_url):
         test_urls = [
             "http://{}:{}".format(ADDRESS, PORT),
             "//{}:{}".format(ADDRESS, PORT),
-            "http:{}:{}".format(ADDRESS, PORT),
             "http://user:123@{}:{}".format(ADDRESS, PORT),
         ]
         for proxy_url in test_urls: