Change the way of runtime configuration in JsePsiUnifierTest

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

@@ -0,0 +1,23 @@
+fun foo(a: Int, b: Int) {
+    var t = a
+    <selection>while (t != (a + b)) {
+        println(t)
+        t++
+    }</selection>
+
+    var u = a
+    while (u != a + b) {
+        println(t)
+        t++
+    }
+
+    do {
+        println(t)
+        t++
+    } while (t != a + b)
+
+    while (t != a + b) {
+        println((t))
+        t++
+    }
+}