Refactor test option parsing code.

runtime/tests/vm/vm.status

Index: runtime/tests/vm/vm.status
diff --git a/runtime/tests/vm/vm.status b/runtime/tests/vm/vm.status
index 6f302938210397c70b34274812f2dd439b222068..6bc97c056e591c35431b3c304037b40bb718cac9 100644
--- a/runtime/tests/vm/vm.status
+++ b/runtime/tests/vm/vm.status
@@ -156,9 +156,6 @@ dart/optimized_stacktrace_line_and_column_test: RuntimeError
 # minifying they can be renamed, which is issue 7953.
 dart/inline_stack_frame_test: RuntimeError, Pass # Issue 7953
 
-[ $compiler == dart2js && $cps_ir && $checked ]
-dart/*: Skip # checked mode + cpsir not supported yet. Issue 25761
-
 [ $compiler == dart2js || $compiler == dart2analyzer ]
 # Data uri's not supported by dart2js or the analyzer.
 dart/data_uri*test: Skip