Support configuration directives FULL_JDK, WITH_RUNTIME, WITH_REFLECT in Psi2Ir tests.

compiler/testData/ir/irText/classes/classMembers.kt

@@ -1,3 +1,5 @@
+// WITH_RUNTIME
+
 class C(x: Int, val y: Int, var z: Int = 1) {
     constructor() : this(0, 0, 0) {}
 

compiler/testData/ir/irText/classes/enum.kt

@@ -1,3 +1,5 @@
+// WITH_RUNTIME
+
 enum class TestEnum1 {
     TEST1, TEST2
 }

compiler/testData/ir/irText/classes/initBlock.kt

@@ -1,3 +1,5 @@
+// WITH_RUNTIME
+
 class Test1 {
     init {
         println()

compiler/testData/ir/irText/classes/objectLiteralExpressions.kt

@@ -1,3 +1,5 @@
+// WITH_RUNTIME
+
 interface IFoo {
     fun foo()
 }