diff --git a/idea/testData/refactoring/changeSignature/SynthesizedMessages.txt b/idea/testData/refactoring/changeSignature/SynthesizedMessages.txt
new file mode 100644
index 00000000000..3bc1a81ba55
--- /dev/null
+++ b/idea/testData/refactoring/changeSignature/SynthesizedMessages.txt
@@ -0,0 +1 @@
+Cannot refactor synthesized function 'component1'
\ No newline at end of file
diff --git a/idea/testData/refactoring/changeSignature/VarargsMessages.txt b/idea/testData/refactoring/changeSignature/VarargsMessages.txt
new file mode 100644
index 00000000000..99874759183
--- /dev/null
+++ b/idea/testData/refactoring/changeSignature/VarargsMessages.txt
@@ -0,0 +1 @@
+Can't refactor the function with variable arguments
\ No newline at end of file