Cleanup deprecated symbol usages in testData

compiler/testData/codegen/boxWithStdlib/casts/asWithMutable.kt

@@ -118,7 +118,7 @@ fun box(): String {
     asSucceeds("mentry as MutableMap.MutableEntry") { mentry as MutableMap.MutableEntry<*, *> }
 
     hashMap[""] = ""
-    val hashMapEntry = hashMap.entrySet().first()
+    val hashMapEntry = hashMap.entries.first()
 
     asSucceeds("hashMapEntry as MutableMap.MutableEntry") { hashMapEntry as MutableMap.MutableEntry<*, *> }
 

compiler/testData/codegen/boxWithStdlib/casts/isWithMutable.kt

@@ -96,7 +96,7 @@ fun box(): String {
     val mentry = MME()
 
     hashMap[""] = ""
-    val hashMapEntry = hashMap.entrySet().first()
+    val hashMapEntry = hashMap.entries.first()
 
     assert(entry !is MutableMap.MutableEntry<*, *>) { "ME should satisfy '!is MutableMap.MutableEntry'"}
     assert(mentry is MutableMap.MutableEntry<*, *>) { "MME should satisfy 'is MutableMap.MutableEntry'"}

compiler/testData/codegen/boxWithStdlib/casts/reifiedAsWithMutable.kt

@@ -118,7 +118,7 @@ fun box(): String {
     val mentry = MME()
 
     hashMap[""] = ""
-    val hashMapEntry = hashMap.entrySet().first()
+    val hashMapEntry = hashMap.entries.first()
 
     reifiedAsFailsWithCCE<MutableMap.MutableEntry<*, *>>(entry, "reifiedAs<MutableMap.MutableEntry<*, *>>(entry)")
     reifiedAsSucceeds<MutableMap.MutableEntry<*, *>>(mentry, "reifiedAs<MutableMap.MutableEntry<*, *>>(mentry)")

compiler/testData/codegen/boxWithStdlib/casts/reifiedIsWithMutable.kt

@@ -99,7 +99,7 @@ fun box(): String {
     val mentry = MME()
 
     hashMap[""] = ""
-    val hashMapEntry = hashMap.entrySet().first()
+    val hashMapEntry = hashMap.entries.first()
 
     assert(reifiedIsNot<MutableMap.MutableEntry<*, *>>(entry)) { "reifiedIsNot<MutableMap.MutableEntry<*, *>>(entry)"}
     assert(reifiedIs<MutableMap.MutableEntry<*, *>>(mentry)) { "reifiedIs<MutableMap.MutableEntry<*, *>>(mentry)"}

compiler/testData/codegen/boxWithStdlib/casts/reifiedSafeAsWithMutable.kt

@@ -120,7 +120,7 @@ fun box(): String {
     val mentry = MME()
 
     hashMap[""] = ""
-    val hashMapEntry = hashMap.entrySet().first()
+    val hashMapEntry = hashMap.entries.first()
 
     reifiedSafeAsReturnsNull<MutableMap.MutableEntry<*, *>>(entry, "reifiedSafeAs<MutableMap.MutableEntry<*, *>>(entry)")
     reifiedSafeAsReturnsNonNull<MutableMap.MutableEntry<*, *>>(mentry, "reifiedSafeAs<MutableMap.MutableEntry<*, *>>(mentry)")

compiler/testData/codegen/boxWithStdlib/casts/safeAsWithMutable.kt

@@ -117,7 +117,7 @@ fun box(): String {
     safeAsReturnsNonNull("mentry as? MutableMap.MutableEntry") { mentry as? MutableMap.MutableEntry<*, *> }
 
     hashMap[""] = ""
-    val hashMapEntry = hashMap.entrySet().first()
+    val hashMapEntry = hashMap.entries.first()
 
     safeAsReturnsNonNull("hashMapEntry as? MutableMap.MutableEntry") { hashMapEntry as? MutableMap.MutableEntry<*, *> }
 

compiler/testData/codegen/boxWithStdlib/casts/unitAsInt.kt

@@ -8,7 +8,7 @@ fun box(): String {
         return "OK"
     }
     catch (e: Throwable) {
-        return "Fail: ClassCastException should have been thrown, but was instead ${e.javaClass.getName()}: ${e.getMessage()}"
+        return "Fail: ClassCastException should have been thrown, but was instead ${e.javaClass.getName()}: ${e.message}"
     }
 
     return "Fail: no exception was thrown"