code: public ObservableValueAssert<T> hasSameValue(ObservableValue<T> expectedValue) {
          new ObservableValueAssertions<>(actual).hasSameValue(expectedValue);
          return this;
      }
docs: Verifies that the actual observable has the same value as the given observable.
  
  @param expectedValue the observable value to compare with the actual observables current value.
  
  @return {@code this} assertion instance.