chore(test): Improve test_branch_info

- It is not required to register insights-client to run the collection.
  This speeds up the test.

- There is a simpler way to get a content; '--output-dir' saves the
  content uncompressed into user-controlled location.

integration-tests/test_collection.py

@@ -298,39 +298,26 @@ def test_branch_info(insights_client, test_config, subman):
         https://docs.google.com/document/d/193mN5aBwxtzpP4U-vnL3yVawPxiG20n0zkzDYsam-eU/edit
     :tags: Tier 2
     :steps:
-        1. Register insights-client
-        2. Run insights-client with the --no-upload option to generate the
-            branch_info file
-        3. Extract the latest archive
-        4. Inspect the branch_info file to verify it contains correct values
+        1. Run insights-client with --output-dir
+        2. Inspect the branch_info file to verify it contains correct values
     :expectedresults:
-        1. The insights-client is registered
-        2. The branch_info file is generated
-        3. The latest archive is successfully extracted
-        4. The branch_info includes correct values
+        1. The branch_info file is generated
+        2. The branch_info includes correct values
     """
-    insights_client.register()
-    assert conftest.loop_until(lambda: insights_client.is_registered)
-
-    insights_client.run("--no-upload")
-
-    list_of_files = glob.glob(f"{ARCHIVE_CACHE_DIRECTORY}/*.tar.gz")
-    latest_file = max(list_of_files, key=os.path.getctime)
-
-    with tarfile.open(latest_file, "r:gz") as tar:
-        tar.extractall(path="/var/cache/insights-client/", filter="data")
-        directory_name = latest_file.replace(".tar.gz", "")
+    archive = tempfile.TemporaryDirectory()
+    insights_client.run("--output-dir", archive.name)
 
-    branch_info_path = os.path.join(directory_name, "branch_info")
+    branch_info_path: str = os.path.join(archive.name, "branch_info")
     with open(branch_info_path, "r") as file:
         data = json.load(file)
-        if "satellite" in test_config.environment:
-            assert data["product"]["type"] == "Satellite"
-            assert isinstance(uuid.UUID(data["remote_branch"]), uuid.UUID)
-            assert uuid.UUID(data["remote_leaf"]) == subman.uuid
-        else:
-            assert data["remote_branch"] == -1, "Incorrect remote_branch value"
-            assert data["remote_leaf"] == -1, "Incorrect remote_leaf value"
+
+    if "satellite" in test_config.environment:
+        assert data["product"]["type"] == "Satellite"
+        assert isinstance(uuid.UUID(data["remote_branch"]), uuid.UUID)
+        assert uuid.UUID(data["remote_leaf"]) == subman.uuid
+    else:
+        assert data["remote_branch"] == -1, "Incorrect remote_branch value"
+        assert data["remote_leaf"] == -1, "Incorrect remote_leaf value"
 
 
 def test_archive_structure(insights_client):