Fix vs_create_tests for Click 8.3+

Click 8.3.0 seems to start prompting to confirm the default value when
it didn't before, which caused test failures as seen in #2261.

Author: cjwatson

tests/CLI/modules/vs/vs_create_tests.py

@@ -382,10 +382,13 @@ def test_create_like(self, confirm_mock):
         }
 
         confirm_mock.return_value = True
+        # Prompts to confirm hostname, domain, and datacenter.
+        stdin = "\n\n\n"
         result = self.run_command(['vs', 'create',
                                    '--like=123',
                                    '--san',
-                                   '--billing=hourly'])
+                                   '--billing=hourly'],
+                                  stdin=stdin)
 
         self.assert_no_fail(result)
         self.assertIn('"guid": "1a2b3c-1701"', result.output)
@@ -426,10 +429,13 @@ def test_create_like_tags(self, confirm_mock):
         }
 
         confirm_mock.return_value = True
+        # Prompts to confirm hostname, domain, and datacenter.
+        stdin = "\n\n\n"
         result = self.run_command(['vs', 'create',
                                    '--like=123',
                                    '--san',
-                                   '--billing=hourly'])
+                                   '--billing=hourly'],
+                                  stdin=stdin)
 
         self.assert_no_fail(result)
         self.assertIn('"guid": "1a2b3c-1701"', result.output)
@@ -457,10 +463,13 @@ def test_create_like_image(self, confirm_mock):
         }
 
         confirm_mock.return_value = True
+        # Prompts to confirm hostname, domain, and datacenter.
+        stdin = "\n\n\n"
         result = self.run_command(['vs', 'create',
                                    '--like=123',
                                    '--san',
-                                   '--billing=hourly'])
+                                   '--billing=hourly'],
+                                  stdin=stdin)
 
         self.assert_no_fail(result)
         self.assertIn('"guid": "1a2b3c-1701"', result.output)
@@ -499,7 +508,9 @@ def test_create_like_flavor(self, confirm_mock):
         }
 
         confirm_mock.return_value = True
-        result = self.run_command(['vs', 'create', '--like=123'])
+        # Prompts to confirm hostname, domain, and datacenter.
+        stdin = "\n\n\n"
+        result = self.run_command(['vs', 'create', '--like=123'], stdin=stdin)
 
         self.assert_no_fail(result)
         self.assertIn('"guid": "1a2b3c-1701"', result.output)
@@ -540,7 +551,9 @@ def test_create_like_transient(self, confirm_mock):
         }
 
         confirm_mock.return_value = True
-        result = self.run_command(['vs', 'create', '--like=123'])
+        # Prompts to confirm hostname, domain, and datacenter.
+        stdin = "\n\n\n"
+        result = self.run_command(['vs', 'create', '--like=123'], stdin=stdin)
 
         self.assert_no_fail(result)
         self.assertIn('"guid": "1a2b3c-1701"', result.output)