Adds status entries for initializing_formal tests.

tests/language/language_dart2js.status

Index: tests/language/language_dart2js.status
diff --git a/tests/language/language_dart2js.status b/tests/language/language_dart2js.status
index bb54e5c6be637590940e677f5f90216da3d2c1cd..d80aae421c64f76312cf1d33f6d9e0d2eb0ba8e0 100644
--- a/tests/language/language_dart2js.status
+++ b/tests/language/language_dart2js.status
@@ -56,6 +56,9 @@ generic_methods_type_expression_test: CompiletimeError # DartOptions not passed
 
 # Experimental feature: Use initializing formals in initializers and constructor body.
 initializing_formal_access_test: CompiletimeError # DartOptions not passed to compiler.
+initializing_formal_capture_test: CompiletimeError # DartOptions not passed to compiler.
+initializing_formal_final_test: CompiletimeError # DartOptions not passed to compiler.
+initializing_formal_type_test: CompiletimeError # DartOptions not passed to compiler.
 
 [ $compiler == dart2js ]
 invocation_mirror_empty_arguments_test: Fail # Issue 24331