Apply black on tests/aggregate_tests.py

All changes are automatically generated by black.
The other linters didn't find any errors in the file.
It's expected that most if not all code in aggregate_tests.py will be
useful even when we remove the tests file on the old code.

Signed-off-by: Martin Vrachev <[email protected]>

Author: MVrachev

tests/aggregate_tests.py

@@ -29,13 +29,16 @@
 import sys
 import unittest
 
-if __name__ == '__main__':
-  suite = unittest.TestLoader().discover(".")
-  all_tests_passed = unittest.TextTestRunner(
-      verbosity=1, buffer=True).run(suite).wasSuccessful()
-
-  if not all_tests_passed:
-    sys.exit(1)
-
-  else:
-    sys.exit(0)
+if __name__ == "__main__":
+    suite = unittest.TestLoader().discover(".")
+    all_tests_passed = (
+        unittest.TextTestRunner(verbosity=1, buffer=True)
+        .run(suite)
+        .wasSuccessful()
+    )
+
+    if not all_tests_passed:
+        sys.exit(1)
+
+    else:
+        sys.exit(0)