tests: Add missing argument to assert_called_with statements.

Added the `'use_rebase' argument to assert statements which was recently
added to the merge method.

rhodecode/tests/models/test_pullrequest.py

@@ -157,7 +157,8 b' class TestPullRequestModel:'
         self.merge_mock.assert_called_once_with(
             pull_request.target_ref_parts,
             pull_request.source_repo.scm_instance(),
-            pull_request.source_ref_parts, self.workspace_id, dry_run=True)
+            pull_request.source_ref_parts, self.workspace_id, dry_run=True,
+            use_rebase=False)
 
         assert pull_request._last_merge_source_rev == self.source_commit
         assert pull_request._last_merge_target_rev == self.target_commit
@@ -185,7 +186,8 b' class TestPullRequestModel:'
         self.merge_mock.assert_called_once_with(
             pull_request.target_ref_parts,
             pull_request.source_repo.scm_instance(),
-            pull_request.source_ref_parts, self.workspace_id, dry_run=True)
+            pull_request.source_ref_parts, self.workspace_id, dry_run=True,
+            use_rebase=False)
 
         assert pull_request._last_merge_source_rev == self.source_commit
         assert pull_request._last_merge_target_rev == self.target_commit
@@ -216,7 +218,8 b' class TestPullRequestModel:'
         self.merge_mock.assert_called_once_with(
             pull_request.target_ref_parts,
             pull_request.source_repo.scm_instance(),
-            pull_request.source_ref_parts, self.workspace_id, dry_run=True)
+            pull_request.source_ref_parts, self.workspace_id, dry_run=True,
+            use_rebase=False)
 
         assert pull_request._last_merge_source_rev is None
         assert pull_request._last_merge_target_rev is None
@@ -289,7 +292,8 b' class TestPullRequestModel:'
             pull_request.target_ref_parts,
             pull_request.source_repo.scm_instance(),
             pull_request.source_ref_parts, self.workspace_id,
-            user_name=user.username, user_email=user.email, message=message
+            user_name=user.username, user_email=user.email, message=message,
+            use_rebase=False
         )
         self.invalidation_mock.assert_called_once_with(
             pull_request.target_repo.repo_name)
@@ -327,7 +331,8 b' class TestPullRequestModel:'
             pull_request.target_ref_parts,
             pull_request.source_repo.scm_instance(),
             pull_request.source_ref_parts, self.workspace_id,
-            user_name=user.username, user_email=user.email, message=message
+            user_name=user.username, user_email=user.email, message=message,
+            use_rebase=False
         )
 
         pull_request = PullRequest.get(pull_request.pull_request_id)