Migrated test block 17 to Dart 2.0.

tests/corelib_2/num_clamp_test.dart

Index: tests/corelib_2/num_clamp_test.dart
diff --git a/tests/corelib/num_clamp_test.dart b/tests/corelib_2/num_clamp_test.dart
similarity index 80%
rename from tests/corelib/num_clamp_test.dart
rename to tests/corelib_2/num_clamp_test.dart
index b8731ab3c17f6dbdd383f3911ca3db508ca86f2e..04c060d0778e6026b5b732f49977e534755f60f7 100644
--- a/tests/corelib/num_clamp_test.dart
+++ b/tests/corelib_2/num_clamp_test.dart
@@ -16,10 +16,6 @@ testIntClamp() {
   Expect.equals(0, (-1).clamp(0, 0));
   Expect.equals(0, 0.clamp(0, 0));
   Expect.throws(() => 0.clamp(0, -1), (e) => e is ArgumentError);
-  Expect.throws(
-      () => 0.clamp("str", -1), (e) => e is ArgumentError || e is TypeError);
-  Expect.throws(
-      () => 0.clamp(0, "2"), (e) => e is ArgumentError || e is TypeError);
 }
 
 testDoubleClamp() {
@@ -33,10 +29,6 @@ testDoubleClamp() {
   Expect.equals(0.0, (-1.0).clamp(0.0, 0.0));
   Expect.equals(0.0, 0.0.clamp(0.0, 0.0));
   Expect.throws(() => 0.0.clamp(0.0, -1.0), (e) => e is ArgumentError);
-  Expect.throws(() => 0.0.clamp("str", -1.0),
-      (e) => e is ArgumentError || e is TypeError);
-  Expect.throws(
-      () => 0.0.clamp(0.0, "2"), (e) => e is ArgumentError || e is TypeError);
 }
 
 testDoubleClampInt() {
@@ -57,10 +49,6 @@ testDoubleClampInt() {
   Expect.equals(0.0, 0.0.clamp(0, 0));
   Expect.isTrue(0.0.clamp(0, 0) is double);
   Expect.throws(() => 0.0.clamp(0, -1), (e) => e is ArgumentError);
-  Expect.throws(
-      () => 0.0.clamp("str", -1), (e) => e is ArgumentError || e is TypeError);
-  Expect.throws(
-      () => 0.0.clamp(0, "2"), (e) => e is ArgumentError || e is TypeError);
 }
 
 testDoubleClampExtremes() {