message: Avoid unnecessary call to getMockModule
diff: @@ -586,11 +586,11 @@ class Runtime {
  return this._shouldMockModuleCache[moduleID];
  }
  - const manualMock = this._resolver.getMockModule(from, moduleName);
  let modulePath;
  try {
  modulePath = this._resolveModule(from, moduleName);
  } catch (e) {
  + const manualMock = this._resolver.getMockModule(from, moduleName);
  if (manualMock) {
  this._shouldMockModuleCache[moduleID] = true;
  return true;
  