Add more tests

src/azure-cli/azure/cli/command_modules/resource/_params.py

@@ -572,7 +572,9 @@ def load_arguments(self, _):
 
     with self.argument_context('bicep build') as c:
         c.argument('file', arg_type=CLIArgumentType(options_list=['--file', '-f'], completer=FilesCompleter(),
-                                                    type=file_type, help="a Bicep file path in the file system"))
+                                                    type=file_type, help="a Bicep file path in the file system."))
+        c.argument('stdout', arg_type=CLIArgumentType(options_list=['--stdout'], action='store_true',
+                                                      help="When set, prints all output to stdout instead of corresponding files."))
 
     with self.argument_context('bicep install') as c:
         c.argument('version', options_list=['--version', '-v'], help='The version of Bicep CLI to be installed. Default to the latest if not specified.')

src/azure-cli/azure/cli/command_modules/resource/custom.py

@@ -3187,8 +3187,11 @@ def upgrade_bicep_cli(cmd):
     latest_release_tag = get_bicep_latest_release_tag()
     ensure_bicep_installation(release_tag=latest_release_tag)
 
-def build_bicep_file(cmd, file):
-    run_bicep_command("build", file)
+def build_bicep_file(cmd, file, stdout=None):
+    if stdout:
+        print(run_bicep_command("build", file, "--stdout"))
+    else:
+        run_bicep_command("build", file)
 
 def show_bicep_cli_version(cmd):
     print(run_bicep_command("--version"))