diff --git a/src/azure-cli-testsdk/1.txt b/src/azure-cli-testsdk/1.txt
new file mode 100644
index 00000000000..190a18037c6
--- /dev/null
+++ b/src/azure-cli-testsdk/1.txt
@@ -0,0 +1 @@
+123
diff --git a/src/azure-cli-testsdk/azure/cli/testsdk/base.py b/src/azure-cli-testsdk/azure/cli/testsdk/base.py
index 0ef0ee837a7..4cc56c2c239 100644
--- a/src/azure-cli-testsdk/azure/cli/testsdk/base.py
+++ b/src/azure-cli-testsdk/azure/cli/testsdk/base.py
@@ -31,6 +31,10 @@
 COVERAGE_FILE = 'az_command_coverage.txt'
 
 
+class DummyChecker:
+    pass
+
+
 class CheckerMixin(object):
 
     def _apply_kwargs(self, val):