In a statement, Mr Frydenberg said he had a dry mouth and cough and sought advice from the Deputy Chief Medical Officer after his speech was over.
The 2020-21 Federal Budget will be released in October.
Australian Industry Group boss Innes Willox said governments must be willing to challenge and change old ways of thinking as they look towards the economic recovery.
Schools are scheduled to open in Victoria in early June.
In addition to that Frydenberg asserted that any further lockdown action will cost the economy $4 billion per week, if people fail to heed health warnings and new spikes of COVID-19 occur.
"The relaxation of travel restrictions is expected to contribute around $700 million", Frydenberg said. "I expect the result of my test to be provided tomorrow".
By the time all states and territories reach the third stage of the progressive reopening the economy will be growing by $9.4 billion a month and 850,000 more Australians will be back in work.
Gross domestic product (GDP) is likely to fall more than 10% - the largest decline on record - in the June quarter, Treasurer Josh Frydenberg told parliament on the first of a three-day session, ABC News reported.
"Out of an abundance of caution, it was prudent I be tested for COVID-19", Frydenberg later said in a statement.
When speaking in parliament on Tuesday, the treasurer spoke about Australia's unemployment off the back of the pandemic.
Australia's Treasurer Josh Frydenberg has been tested for the coronavirus and has begun to self-isolate awaiting results, after breaking out into coughing fit on Tuesday while he spoke before Parliament.
"Yet all Australians get today is a cut and paste of what the government has already said and what Australians already knew", shadow treasurer Jim Chalmers said.
Trump casts doubt on mail voting. His campaign promotes it.
What's needed is a national commitment to voting by mail. "You may not have results for a couple of weeks", Zellner said . If you'd like to attend the webinars on election security click the following link: NCC Secure The Vote Webinar .