Renamed some intentions + test data dirs

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

@@ -0,0 +1,8 @@
+// INTENTION_TEXT: Replace with '+' operator
+fun test() {
+    class Test {
+        fun plus(a: Int): Test = Test()
+    }
+    val test = Test()
+    test.pl<caret>us(1)
+}