Make test of malformed types a dynamic type error.

tests/co19/co19-co19.status

Index: tests/co19/co19-co19.status
diff --git a/tests/co19/co19-co19.status b/tests/co19/co19-co19.status
index 812e0fb17b2564db8ed5525f572a466b2c33a777..3ac790cd78437d3177082c235bb50563b83e6d95 100644
--- a/tests/co19/co19-co19.status
+++ b/tests/co19/co19-co19.status
@@ -268,6 +268,19 @@ LibTest/isolate/isolate_api/port_A01_t01: Fail # Co19 issue 639
 
 Language/14_Libraries_and_Scripts/4_Scripts_A03_t03: MissingRuntimeError, OK # co19 issue 638
 
+[ $compiler == dart2js ]
+Language/03_Overview/2_Privacy_A01_t06: Fail # Co19 issue 655
+Language/10_Generics/10_Generics_A05_t01: Fail # Co19 issue 655
+Language/10_Generics/10_Generics_A05_t02: Fail # Co19 issue 655
+Language/12_Expressions/32_Type_Test_A04_t01: Fail # Co19 issue 655
+Language/12_Expressions/32_Type_Test_A04_t02: Fail # Co19 issue 655
+Language/12_Expressions/33_Type_Cast_A03_t01: Fail # Co19 issue 655
+Language/12_Expressions/33_Type_Cast_A03_t03: Fail # Co19 issue 655
+Language/14_Libraries_and_Scripts/1_Imports_A03_t05: Fail # Co19 issue 655
+Language/14_Libraries_and_Scripts/1_Imports_A03_t31: Fail # Co19 issue 655
+Language/15_Types/1_Static_Types_A03_t03: Fail # Co19 issue 655
+Language/15_Types/1_Static_Types_A03_t04: Fail # Co19 issue 655
+
 ### CHECKED MODE FAILURES ###
 
 [ ($runtime == vm || $runtime == dartium || $compiler == dart2js) && $checked]