test: Do not pass tests on unhandled exceptions

This adds a missing catch for BaseException (e.g. SystemExit), which
would otherwise be silently ignored.

Also, remove the redundant other catches, which are just calling
log.exception with a redundant log message.

Author: MarcoFalke

test/functional/test_framework/test_framework.py

@@ -194,27 +194,18 @@ def main(self):
             else:
                 self.run_test()
 
-        except JSONRPCException:
-            self.log.exception("JSONRPC error")
-            self.success = TestStatus.FAILED
         except SkipTest as e:
             self.log.warning("Test Skipped: %s" % e.message)
             self.success = TestStatus.SKIPPED
-        except AssertionError:
-            self.log.exception("Assertion failed")
-            self.success = TestStatus.FAILED
-        except KeyError:
-            self.log.exception("Key error")
-            self.success = TestStatus.FAILED
         except subprocess.CalledProcessError as e:
             self.log.exception("Called Process failed with '{}'".format(e.output))
             self.success = TestStatus.FAILED
-        except Exception:
-            self.log.exception("Unexpected exception caught during testing")
-            self.success = TestStatus.FAILED
         except KeyboardInterrupt:
             self.log.warning("Exiting after keyboard interrupt")
             self.success = TestStatus.FAILED
+        except BaseException:
+            self.log.exception("Unexpected exception")
+            self.success = TestStatus.FAILED
         finally:
             exit_code = self.shutdown()
             sys.exit(exit_code)