chore: remove CreateUser from sqlstore & replace with userService.CreateUserForTests (#59910)

pkg/services/user/userimpl/time.go

@@ -0,0 +1,16 @@
+package userimpl
+
+import "time"
+
+// timeNow wraps time.Now so it can be mocked in tests.
+var timeNow = time.Now
+
+func MockTimeNow(constTime time.Time) {
+	timeNow = func() time.Time {
+		return constTime
+	}
+}
+
+func ResetTimeNow() {
+	timeNow = time.Now
+}