8477. 'And Moses said to them' means an admonition. This is clear from the meaning of 'saying', which includes what comes after it, in this instance an admonition that they should not leave any of it till the morning, for 'saying' may also mean admonishing, see 7090, 8178

8419. 'In order that I may test them' means that from this it will be discovered ... This is clear from the meaning of 'testing' here as discovering, for the words here are followed by 'whether they walk in My law or not'.