Minor. removed several tests with error calls.

idea/testData/refactoring/extractFunction/basic/convertUnaryExpression.kt

@@ -1,6 +0,0 @@
-// PARAM_DESCRIPTOR: value-parameter unaryPlus: kotlin.String.() -> kotlin.Unit defined in foo
-// PARAM_TYPES: kotlin.String.() -> kotlin.Unit
-
-fun foo(unaryPlus: String.() -> Unit) {
-    <selection>+</selection> "A"
-}

idea/testData/refactoring/extractFunction/basic/convertUnaryExpression.kt.after

@@ -1,8 +0,0 @@
-// PARAM_DESCRIPTOR: value-parameter unaryPlus: kotlin.String.() -> kotlin.Unit defined in foo
-// PARAM_TYPES: kotlin.String.() -> kotlin.Unit
-
-fun foo(unaryPlus: String.() -> Unit) {
-    "A".(function(plus))()
-}
-
-private fun function(unaryPlus: String.() -> Unit) = unaryPlus

idea/tests/org/jetbrains/kotlin/idea/refactoring/introduce/ExtractionTestGenerated.java

@@ -837,12 +837,6 @@ public class ExtractionTestGenerated extends AbstractExtractionTest {
                 doExtractFunctionTest(fileName);
             }
 
-            @TestMetadata("convertUnaryExpression.kt")
-            public void testConvertUnaryExpression() throws Exception {
-                String fileName = KotlinTestUtils.navigationMetadata("idea/testData/refactoring/extractFunction/basic/convertUnaryExpression.kt");
-                doExtractFunctionTest(fileName);
-            }
-
             @TestMetadata("delegatingFunction.kt")
             public void testDelegatingFunction() throws Exception {
                 String fileName = KotlinTestUtils.navigationMetadata("idea/testData/refactoring/extractFunction/basic/delegatingFunction.kt");