Use unique branch in each test

qa/qa/specs/features/api/1_manage/user_access_termination_spec.rb

@@ -37,7 +37,7 @@ module QA
               push.file_name = 'test.txt'
               push.file_content = "# This is a test project named #{@project.name}"
               push.commit_message = 'Add test.txt'
-              push.branch_name = 'new_branch'
+              push.branch_name = "new_branch_#{SecureRandom.hex(8)}"
               push.user = @user
             end
           end.to raise_error(QA::Support::Run::CommandError, /You are not allowed to push code to this project/)
@@ -48,7 +48,7 @@ module QA
             Resource::File.fabricate_via_api! do |file|
               file.api_client = @user_api_client
               file.project = @project
-              file.branch = 'new_branch'
+              file.branch = "new_branch_#{SecureRandom.hex(8)}"
               file.commit_message = 'Add new file'
               file.name = 'test.txt'
               file.content = "New file"
@@ -61,7 +61,7 @@ module QA
             Resource::Repository::Commit.fabricate_via_api! do |commit|
               commit.api_client = @user_api_client
               commit.project = @project
-              commit.branch = 'new_branch'
+              commit.branch = "new_branch_#{SecureRandom.hex(8)}"
               commit.start_branch = @project.default_branch
               commit.commit_message = 'Add new file'
               commit.add_files([