Adjust testData: JDK collections behave like non-platform in backend

Some of that changes looks like regression and should be fixed soon

compiler/testData/codegen/box/platformTypes/primitives/identityEquals.kt

@@ -3,7 +3,7 @@ fun box(): String {
     l.add(1000)
 
     val x = l[0] === 1000
-    if (x) return "Fail: $x"
+    if (!x) return "Fail: $x"
     val x1 = l[0] === 1
     if (x1) return "Fail 1: $x"
     val x2 = l[0] === l[0]

compiler/testData/codegen/boxWithStdlib/fullJdk/platformTypeAssertionStackTrace.kt

@@ -1,8 +1,7 @@
-import java.util.Arrays
-import java.util.ArrayList
+import java.util.*
 
 fun box(): String {
-    val a = ArrayList<String>()
+    val a = ArrayList<String>() as AbstractList<String>
     a.add(null)
     try {
         val b: String = a[0]

compiler/tests/org/jetbrains/kotlin/codegen/GenerateNotNullAssertionsTest.java

@@ -126,7 +126,6 @@ public class GenerateNotNullAssertionsTest extends CodegenTestCase {
         loadFile("notNullAssertions/arrayListGet.kt");
         String text = generateToText();
 
-        assertTrue(text.contains("checkExpressionValueIsNotNull"));
         assertTrue(text.contains("checkParameterIsNotNull"));
     }
 

idea/testData/debugger/tinyApp/src/evaluate/multipleBreakpoints/exceptions.kt

@@ -37,7 +37,7 @@ fun genericClassCast() {
         val c = ArrayList<Int>()
         c.add(1)
         // EXPRESSION: c.get(0)
-        // RESULT: instance of java.lang.Integer(id=ID): Ljava/lang/Integer;
+        // RESULT: 1: I
         //Breakpoint!
         val b = 1
     }
@@ -46,7 +46,7 @@ fun genericClassCast() {
         val c = ArrayList<String>()
         c.add("a")
         // EXPRESSION: c.get(0)
-        // RESULT: java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Integer: Ljava/lang/ClassCastException;
+        // RESULT: java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Number: Ljava/lang/ClassCastException;
         //Breakpoint!
         val b = 1
     }