Debugger tests: mark objects using NodeDescriptorImpl.getMarkup. Primitive values cannot be marked.

idea/testData/debugger/tinyApp/src/evaluate/singleBreakpoint/labels/lIdentifier.kt

@@ -1,11 +1,11 @@
 package lIdentifier
 
 fun main(args: Array<String>) {
-    val a = 1
-    val b = 1
-    val c = 1
-    val d = 1
-    val e = 1
+    val a = "1"
+    val b = "1"
+    val c = "1"
+    val d = "1"
+    val e = "1"
     //Breakpoint!
     val f = 1
 }
@@ -17,4 +17,4 @@ fun main(args: Array<String>) {
 // DEBUG_LABEL: e = e-e
 
 // EXPRESSION: a
-// RESULT: 1: I
+// RESULT: "1": Ljava/lang/String;

idea/testData/debugger/tinyApp/src/evaluate/singleBreakpoint/labels/ldifferentTypes.kt

@@ -10,10 +10,6 @@ fun main(args: Array<String>) {
     // DEBUG_LABEL: strArray = strArray
     val strArray = arrayOf("str")
 
-    // EXPRESSION: primitive_DebugLabel
-    // RESULT: 1: I
-    // DEBUG_LABEL: primitive = primitive
-    val primitive = 1
     // EXPRESSION: primitiveArray_DebugLabel
     // RESULT: instance of java.lang.Integer[1] (id=ID): [Ljava/lang/Integer;
     // DEBUG_LABEL: primitiveArray = primitiveArray