Rework notForIncompletionCall test

idea/testData/quickfix/autoImports/callWithTrailingComma.before.Dependency.kt

@@ -0,0 +1,13 @@
+// "Import" "true"
+// ERROR: Type mismatch: inferred type is Int but String was expected
+// ACTION: Add 'toString()' call
+// ACTION: Change parameter 'p' type of function 'foo' to 'Int'
+// ACTION: Create function 'foo'
+// COMPILER_ARGUMENTS: -XXLanguage:+TrailingCommas
+
+package other
+
+import main.X
+
+fun X.foo(p: Int) {
+}