Configuration: move scratch tests to separate module

idea/scripting-support/testData/scratch/when.repl.after

@@ -0,0 +1,21 @@
+// REPL_MODE: true
+
+val a = 1
+when(a) {                   // OUTPUT: 1
+    1 -> println("1")
+    else -> println("2")
+}
+
+when(a) {                   // OUTPUT: 1
+    1 -> println("1")
+}
+
+when(a) {                   // OUTPUT: 1
+    2 -> println("2")
+    else -> println("1")
+}
+
+when(a) {                   // RESULT: res4: kotlin.Int = 11
+    1 -> 11
+    else -> 12
+}