chore: Use standardized test timeouts and delays (#3291)

testutil/duration_windows.go

@@ -0,0 +1,23 @@
+package testutil
+
+import "time"
+
+// Constants for timing out operations, usable for creating contexts
+// that timeout or in require.Eventually.
+//
+// Windows durations are adjusted for slow CI workers.
+const (
+	WaitShort  = 10 * time.Second
+	WaitMedium = 20 * time.Second
+	WaitLong   = 30 * time.Second
+)
+
+// Constants for delaying repeated operations, e.g. in
+// require.Eventually.
+//
+// Windows durations are adjusted for slow CI workers.
+const (
+	IntervalFast   = 50 * time.Millisecond
+	IntervalMedium = 500 * time.Millisecond
+	IntervalSlow   = 2 * time.Second
+)