Adds status entries for initializing_formal tests.

tests/language/language.status

Index: tests/language/language.status
diff --git a/tests/language/language.status b/tests/language/language.status
index 9657b5493ebdf97281ccc0e0f70e3253edb9d5d9..77da565ac8fc0f965eb810d4d35c6eb8e3422781 100644
--- a/tests/language/language.status
+++ b/tests/language/language.status
@@ -55,6 +55,9 @@ generic_methods_type_expression_test: CompiletimeError # Issue 25869
 
 # Experimental feature: Use initializing formals in initializers and constructor body.
 initializing_formal_access_test: CompiletimeError # TODO(eernst): Create a suitable sdk issue.
+initializing_formal_capture_test: CompiletimeError # TODO(eernst): Create a suitable sdk issue.
+initializing_formal_final_test: CompiletimeError # TODO(eernst): Create a suitable sdk issue.
+initializing_formal_type_test: CompiletimeError # TODO(eernst): Create a suitable sdk issue.
 
 [ ($compiler == none || $compiler == precompiler || $compiler == dart2app || $compiler == dart2appjit) && ($runtime == vm || $runtime == dart_precompiled || $runtime == dart_app) ]
 
@@ -107,6 +110,9 @@ generic_methods_type_expression_test: RuntimeError # Issue 25869
 
 # Experimental feature: Use initializing formals in initializers and constructor body.
 initializing_formal_access_test: RuntimeError # TODO(eernst): create a suitable sdk issue.
+initializing_formal_capture_test: RuntimeError # TODO(eernst): create a suitable sdk issue.
+initializing_formal_final_test: RuntimeError # TODO(eernst): create a suitable sdk issue.
+initializing_formal_type_test: RuntimeError # TODO(eernst): create a suitable sdk issue.
 
 config_import_test: Skip  # Issue 26250