Allow test mode for console apps on macOS

src/briefcase/platforms/macOS/__init__.py

@@ -251,9 +251,10 @@ def run_app(
         # Console apps must operate in non-streaming mode so that console input can
         # be handled correctly. However, if we're in test mode, we *must* stream so
         # that we can see the test exit sentinel
-        if app.console_app and not test_mode:
+        if app.console_app:
             self.run_console_app(
                 app,
+                test_mode=test_mode,
                 passthrough=passthrough,
                 **kwargs,
             )
@@ -268,16 +269,18 @@ def run_app(
     def run_console_app(
         self,
         app: AppConfig,
+        test_mode: bool,
         passthrough: list[str],
         **kwargs,
     ):
         """Start the console application.
 
         :param app: The config object for the app
+        :param test_mode: Boolean; Is the app running in test mode?
         :param passthrough: The list of arguments to pass to the app
         """
         try:
-            kwargs = self._prepare_app_kwargs(app=app, test_mode=False)
+            sub_kwargs = self._prepare_app_kwargs(app=app, test_mode=False)
 
             # Start the app directly
             self.logger.info("=" * 75)
@@ -286,10 +289,14 @@ def run_console_app(
                 + (passthrough if passthrough else []),
                 cwd=self.tools.home_path,
                 check=True,
-                stream_output=False,
-                **kwargs,
+                # Stream the app's output for testing.
+                # When a console app runs normally, its stdout should be connected
+                # directly to the terminal to properly display the app. When its test
+                # suite is running, though, Briefcase should stream the output to
+                # capture the testing outcome.
+                stream_output=test_mode,
+                **sub_kwargs,
             )
-
         except subprocess.CalledProcessError:
             # The command line app *could* returns an error code, which is entirely legal.
             # Ignore any subprocess error here.
@@ -347,7 +354,7 @@ def run_gui_app(
         app_pid = None
         try:
             # Set up the log stream
-            kwargs = self._prepare_app_kwargs(app=app, test_mode=test_mode)
+            sub_kwargs = self._prepare_app_kwargs(app=app, test_mode=test_mode)
 
             # Start the app in a way that lets us stream the logs
             self.tools.subprocess.run(
@@ -356,7 +363,7 @@ def run_gui_app(
                 + ((["--args"] + passthrough) if passthrough else []),
                 cwd=self.tools.home_path,
                 check=True,
-                **kwargs,
+                **sub_kwargs,
             )
 
             # Find the App process ID so log streaming can exit when the app exits