Change the way of runtime configuration in JsePsiUnifierTest

idea/testData/unifier/equivalence/controlStructures/ifElseRuntime.kt

@@ -0,0 +1,25 @@
+fun foo(a: Int, b: Int) {
+    if ((a) + b > 0) {
+        println(a*b)
+    }
+
+    println(a*b)
+
+    if (a + b > (0)) {
+        println(a*(b))
+    }
+    else {
+        println(a + b)
+    }
+
+    if (a + b > 0) {
+        println(a*b)
+    }
+
+    <selection>if (a + (b) > 0) {
+        println(a*b)
+    }
+    else {
+        println((a + b))
+    }</selection>
+}