POC: Unmix convey reports when t.Parallel() is set.

The basic problem is that Convey()'s id reporting isn't using t.Logf.
See golang/go#19280 (comment)

Ref: smartystreets#541

convey/context.go

@@ -93,7 +93,7 @@ func rootConvey(items ...interface{}) {
 
 	expectChildRun := true
 	ctx := &context{
-		reporter: buildReporter(),
+		reporter: buildReporter(entry.Test),
 
 		children: make(map[string]*context),
 

convey/discovery.go

@@ -98,6 +98,7 @@ func parseSpecifier(items []interface{}) (actionSpecifier, []interface{}) {
 // having to import the "testing" package.
 type t interface {
 	Fail()
+	Logf(format string, args ...interface{})
 }
 
 const parseError = "You must provide a name (string), then a *testing.T (if in outermost scope), an optional FailureMode, and then an action (func())."

convey/init.go

@@ -33,7 +33,7 @@ func noStoryFlagProvided() bool {
 	return !story && !storyDisabled
 }
 
-func buildReporter() reporting.Reporter {
+func buildReporter(test t) reporting.Reporter {
 	selectReporter := os.Getenv("GOCONVEY_REPORTER")
 
 	switch {
@@ -47,7 +47,7 @@ func buildReporter() reporting.Reporter {
 		// Story is turned on when verbose is set, so we need to check for dot reporter first.
 		return reporting.BuildDotReporter()
 	case story || selectReporter == "story":
-		return reporting.BuildStoryReporter()
+		return reporting.BuildStoryReporter(test)
 	default:
 		return reporting.BuildDotReporter()
 	}

convey/reporting/console.go

@@ -14,3 +14,16 @@ func (self *console) Write(p []byte) (n int, err error) {
 func NewConsole() io.Writer {
 	return new(console)
 }
+
+type testConsole struct {
+	test t
+}
+
+func (self *testConsole) Write(p []byte) (n int, err error) {
+	self.test.Logf("%s", string(p))
+	return 0, nil
+}
+
+func NewTestConsole(test t) io.Writer {
+	return &testConsole{test}
+}

convey/reporting/init.go

@@ -6,6 +6,10 @@ import (
 	"strings"
 )
 
+type t interface {
+	Logf(format string, args ...interface{})
+}
+
 func init() {
 	if !isColorableTerminal() {
 		monochrome()
@@ -30,8 +34,8 @@ func BuildDotReporter() Reporter {
 		NewProblemReporter(out),
 		consoleStatistics)
 }
-func BuildStoryReporter() Reporter {
-	out := NewPrinter(NewConsole())
+func BuildStoryReporter(test t) Reporter {
+	out := NewPrinter(NewTestConsole(test))
 	return NewReporters(
 		NewGoTestReporter(),
 		NewStoryReporter(out),