feat(mocktesting): initial implementation

mocktesting.go

@@ -0,0 +1,23 @@
+// Package mocktesting provides a mock of *testing.T for the purpose of testing
+// test helpers.
+package mocktesting
+
+import (
+	"sync"
+)
+
+// Go runs the provided function in a new goroutine, and blocks until the
+// goroutine has exited.
+//
+// This is essentially a helper function to avoid aborting the current goroutine
+// when a *T instance aborts the goroutine that any of FailNow(), Fatal(),
+// Fatalf(), SkipNow(), Skip(), or Skipf() are called from.
+func Go(f func()) {
+	var wg sync.WaitGroup
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		f()
+	}()
+	wg.Wait()
+}