[Identity] Adjust tests (#41634)

In some pipeline runs, over a second may elapse between when a
credential is created and when a token request is made. This causes
flakiness in the `test_cached_token_outside_refresh_window` tests. This
change increases the time window.

Signed-off-by: Paul Van Eck <paulvaneck@microsoft.com>

Author: pvaneck

sdk/identity/azure-identity/tests/test_get_token_mixin.py

@@ -93,7 +93,7 @@ def test_cached_token_outside_refresh_window(get_token_method):
     """A credential shouldn't request a new token when it has a cached one with sufficient validity remaining"""
 
     credential = MockCredential(
-        cached_token=AccessTokenInfo(CACHED_TOKEN, int(time.time() + DEFAULT_REFRESH_OFFSET + 1))
+        cached_token=AccessTokenInfo(CACHED_TOKEN, int(time.time() + DEFAULT_REFRESH_OFFSET + 10))
     )
     token = getattr(credential, get_token_method)(SCOPE)
 

sdk/identity/azure-identity/tests/test_get_token_mixin_async.py

@@ -96,7 +96,7 @@ async def test_cached_token_outside_refresh_window(get_token_method):
     """A credential shouldn't request a new token when it has a cached one with sufficient validity remaining"""
 
     credential = MockCredential(
-        cached_token=AccessTokenInfo(CACHED_TOKEN, int(time.time() + DEFAULT_REFRESH_OFFSET + 1))
+        cached_token=AccessTokenInfo(CACHED_TOKEN, int(time.time() + DEFAULT_REFRESH_OFFSET + 10))
     )
     token = await getattr(credential, get_token_method)(SCOPE)