Add more comments for testing

Signed-off-by: Prasad Chandrasekaran <[email protected]>

runtime/termscounter_test.go

@@ -5,6 +5,8 @@ import (
 	"testing"
 )
 
+// This variable mimics the code generated by gofail code package.
+// This works in tandem with exampleFunc function.
 var __fp_ExampleString *runtime.Failpoint
 
 // check if failpoint is initialized as gofail
@@ -134,6 +136,7 @@ func TestEnablingNewTermResetsCount(t *testing.T) {
 
 }
 
+// This function mimics a customized code that is generated by gofail code package.
 func exampleFunc() string {
 	if vExampleString, __fpErr := __fp_ExampleString.Acquire(); __fpErr == nil { //nolint:stylecheck
 		ExampleString, __fpTypeOK := vExampleString.(string) //nolint:stylecheck