Read the excerpt from the us constitution. no religious test shall ever be required as a qualification to any office or public trust under the united states. in regards to religion, what is the meaning of the excerpt?

It means that religion will never meddle with running the nation, and it can't figure out who's chosen for specific positions and who isn't. For instance, they can't dismiss qualified possibility for having distinctive religious convictions.  

The No Religious Test Clause of the United States Constitution is a proviso inside Article VI, Clause 3. By its plain terms, no administrative officeholder or worker can be required to cling to or acknowledge a specific religion or tenet as an essential to holding a bureaucratic office or a national government work. It promptly pursues a provision requiring all government and state officers to take a pledge or attestation to help the Constitution. This statement contains the main express reference to religion in the first seven articles of the U.S. Constitution.