Fix tests: "infix modifier required" and "operator modifier required" errors

idea/testData/intentions/conventionNameCalls/replaceCallWithUnaryOperator/complexPlus.kt

@@ -1,10 +1,10 @@
-fun doSomething<T>(a: T) {}
+fun <T> doSomething(a: T) {}
 
 fun test() {
     class Test {
-        fun unaryPlus(): Test = Test()
-        fun plus(a: Test): Test = Test()
-        fun unaryMinus(): Test = Test()
+        operator fun unaryPlus(): Test = Test()
+        operator fun plus(a: Test): Test = Test()
+        operator fun unaryMinus(): Test = Test()
     }
     val test = Test()
     doSomething((-((test + test).unaryPl<caret>us())).toString())

idea/testData/intentions/conventionNameCalls/replaceCallWithUnaryOperator/complexPlus.kt.after

@@ -1,10 +1,10 @@
-fun doSomething<T>(a: T) {}
+fun <T> doSomething(a: T) {}
 
 fun test() {
     class Test {
-        fun unaryPlus(): Test = Test()
-        fun plus(a: Test): Test = Test()
-        fun unaryMinus(): Test = Test()
+        operator fun unaryPlus(): Test = Test()
+        operator fun plus(a: Test): Test = Test()
+        operator fun unaryMinus(): Test = Test()
     }
     val test = Test()
     doSomething((-(+(test + test))).toString())

idea/testData/intentions/conventionNameCalls/replaceCallWithUnaryOperator/extensionFunction.kt

@@ -1,7 +1,7 @@
 fun test() {
     class Test()
 
-    fun Test.unaryPlus(): Test = Test()
+    operator fun Test.unaryPlus(): Test = Test()
 
     val test = Test()
     test.unaryPl<caret>us()

idea/testData/intentions/conventionNameCalls/replaceCallWithUnaryOperator/extensionFunction.kt.after

@@ -1,7 +1,7 @@
 fun test() {
     class Test()
 
-    fun Test.unaryPlus(): Test = Test()
+    operator fun Test.unaryPlus(): Test = Test()
 
     val test = Test()
     +test

idea/testData/intentions/conventionNameCalls/replaceCallWithUnaryOperator/minusSanityTest.kt

@@ -1,7 +1,7 @@
 // INTENTION_TEXT: Replace with '-' operator
 fun test() {
     class Test {
-        fun unaryMinus(): Test = Test()
+        operator fun unaryMinus(): Test = Test()
     }
     val test = Test()
     test.unaryMin<caret>us()

idea/testData/intentions/conventionNameCalls/replaceCallWithUnaryOperator/minusSanityTest.kt.after

@@ -1,7 +1,7 @@
 // INTENTION_TEXT: Replace with '-' operator
 fun test() {
     class Test {
-        fun unaryMinus(): Test = Test()
+        operator fun unaryMinus(): Test = Test()
     }
     val test = Test()
     -test

idea/testData/intentions/conventionNameCalls/replaceCallWithUnaryOperator/plusPlus.kt

@@ -1,6 +1,6 @@
 fun test() {
     class Test {
-        fun unaryPlus(): Test = Test()
+        operator fun unaryPlus(): Test = Test()
     }
     val test = Test()
     +test.unaryP<caret>lus()

idea/testData/intentions/conventionNameCalls/replaceCallWithUnaryOperator/plusPlus.kt.after

@@ -1,6 +1,6 @@
 fun test() {
     class Test {
-        fun unaryPlus(): Test = Test()
+        operator fun unaryPlus(): Test = Test()
     }
     val test = Test()
     +(+test)

idea/testData/intentions/conventionNameCalls/replaceCallWithUnaryOperator/plusSanityTest.kt

@@ -1,7 +1,7 @@
 // INTENTION_TEXT: Replace with '+' operator
 fun test() {
     class Test {
-        fun unaryPlus(): Test = Test()
+        operator fun unaryPlus(): Test = Test()
     }
     val test = Test()
     test.unaryPl<caret>us()

idea/testData/intentions/conventionNameCalls/replaceCallWithUnaryOperator/plusSanityTest.kt.after

@@ -1,7 +1,7 @@
 // INTENTION_TEXT: Replace with '+' operator
 fun test() {
     class Test {
-        fun unaryPlus(): Test = Test()
+        operator fun unaryPlus(): Test = Test()
     }
     val test = Test()
     +test

idea/testData/intentions/conventionNameCalls/replaceCallWithUnaryOperator/qualifier.kt

@@ -1,6 +1,6 @@
 class C {
     companion object {
-        fun unaryMinus(): C = C()
+        operator fun unaryMinus(): C = C()
     }
 }
 

idea/testData/intentions/conventionNameCalls/replaceCallWithUnaryOperator/qualifier.kt.after

@@ -1,6 +1,6 @@
 class C {
     companion object {
-        fun unaryMinus(): C = C()
+        operator fun unaryMinus(): C = C()
     }
 }
 

idea/testData/intentions/conventionNameCalls/replaceCallWithUnaryOperator/super.kt

@@ -1,7 +1,7 @@
 // IS_APPLICABLE: false
 
 open class Base {
-    open fun unaryMinus() = this
+    open operator fun unaryMinus() = this
 }
 
 class C : Base() {

idea/testData/intentions/conventionNameCalls/replaceCallWithUnaryOperator/typeArguments.kt

@@ -1,7 +1,7 @@
 // IS_APPLICABLE: false
 fun test() {
     class Test {
-        fun unaryPlus<T>(): T? = this as? T
+        operator fun <T> unaryPlus(): T? = this as? T
     }
     val test = Test()
     test.unaryP<caret>lus<Int>()