tests: apply official code style

#KT-38632 Fixed

idea/testData/refactoring/inline/function/expressionBody/FunctionalParameterPassed.kt

@@ -2,7 +2,7 @@
 
 fun <caret>foo(p1: String, p2: () -> Boolean) = bar(p1, null, p2)
 
-fun bar(p1: String, p2: String?, p3: () -> Boolean)
+fun bar(p1: String, p2: String?, p3: () -> Boolean) = Unit
 
 fun foo(i: I) {
     foo("foo") {

idea/testData/refactoring/inline/function/expressionBody/FunctionalParameterPassed.kt.after

@@ -1,6 +1,6 @@
 // COMPILER_ARGUMENTS: -XXLanguage:-NewInference
 
-fun bar(p1: String, p2: String?, p3: () -> Boolean)
+fun bar(p1: String, p2: String?, p3: () -> Boolean) = Unit
 
 fun foo(i: I) {
     bar("foo", null) {

idea/testData/refactoring/inline/function/fromIntellij/InlineAnonymousClassWithPrivateMethod.kt.after

@@ -10,13 +10,13 @@ object Foo {
 internal object Bar {
     @JvmStatic fun main(args: Array<String>) {
         bar(object : Runnable {
-            override fun run() {
-                doRun()
-            }
+        override fun run() {
+            doRun()
+        }
 
-            private fun doRun() {
-                // Woo-hoo
-            }
-        })
+        private fun doRun() {
+            // Woo-hoo
+        }
+    })
     }
 }

idea/testData/refactoring/inline/function/returnAtEnd/DefaultParameter.kt.after

@@ -3,5 +3,6 @@ fun callInDefault(simple: List<String> = provideSimple(), complex: List<String>
     val result = mutableListOf("statement 1")
     result.add("statement 2")
     result
-}) {
+}
+) {
 }