build(generated): update generator to 3.86.0

Generated SDK source code using:
- Generator version 3.86.0
- Specification version 1.0.0-dev0.1.6
- Automation (cloudant-sdks) version 710f6c4

Signed-off-by: cloudant-sdks-automation <[email protected]>

Author: cloudant-sdks-automation

test/integration/test_cloudant_v1.py

@@ -238,7 +238,7 @@ def test_post_document(self):
         # Construct a dict representation of a Attachment model
         attachment_model = {
             'content_type': 'testString',
-            'data': b'This is a mock byte array value.'.decode('utf-8'),
+            'data': 'VGhpcyBpcyBhIG1vY2sgYnl0ZSBhcnJheSB2YWx1ZS4=',
             'digest': 'testString',
             'encoded_length': 0,
             'encoding': 'testString',
@@ -389,7 +389,7 @@ def test_post_bulk_docs(self):
         # Construct a dict representation of a Attachment model
         attachment_model = {
             'content_type': 'testString',
-            'data': b'This is a mock byte array value.'.decode('utf-8'),
+            'data': 'VGhpcyBpcyBhIG1vY2sgYnl0ZSBhcnJheSB2YWx1ZS4=',
             'digest': 'testString',
             'encoded_length': 0,
             'encoding': 'testString',
@@ -617,7 +617,7 @@ def test_put_document(self):
         # Construct a dict representation of a Attachment model
         attachment_model = {
             'content_type': 'testString',
-            'data': b'This is a mock byte array value.'.decode('utf-8'),
+            'data': 'VGhpcyBpcyBhIG1vY2sgYnl0ZSBhcnJheSB2YWx1ZS4=',
             'digest': 'testString',
             'encoded_length': 0,
             'encoding': 'testString',
@@ -702,7 +702,7 @@ def test_put_design_document(self):
         # Construct a dict representation of a Attachment model
         attachment_model = {
             'content_type': 'testString',
-            'data': b'This is a mock byte array value.'.decode('utf-8'),
+            'data': 'VGhpcyBpcyBhIG1vY2sgYnl0ZSBhcnJheSB2YWx1ZS4=',
             'digest': 'testString',
             'encoded_length': 0,
             'encoding': 'testString',
@@ -1472,7 +1472,7 @@ def test_put_replication_document(self):
         # Construct a dict representation of a Attachment model
         attachment_model = {
             'content_type': 'testString',
-            'data': b'This is a mock byte array value.'.decode('utf-8'),
+            'data': 'VGhpcyBpcyBhIG1vY2sgYnl0ZSBhcnJheSB2YWx1ZS4=',
             'digest': 'testString',
             'encoded_length': 0,
             'encoding': 'testString',
@@ -1779,7 +1779,7 @@ def test_put_local_document(self):
         # Construct a dict representation of a Attachment model
         attachment_model = {
             'content_type': 'testString',
-            'data': b'This is a mock byte array value.'.decode('utf-8'),
+            'data': 'VGhpcyBpcyBhIG1vY2sgYnl0ZSBhcnJheSB2YWx1ZS4=',
             'digest': 'testString',
             'encoded_length': 0,
             'encoding': 'testString',