The phrase "a spate of tests" is correct and usable in written English.
It can be used to describe a sudden or large number of tests occurring within a specific timeframe or context.
Example: "The school administration announced a spate of tests scheduled for next month to assess student progress."
Alternatives: "a series of tests" or "a wave of tests".
The ban prompted a spate of positive tests among top Russian athletes, including Maria Sharapova.
Radcliffe said she did not think the problems in Kenya, which has until 5 April to avoid being declared non-compliant by the World Anti-Doping Agency, were as bad as in Russia despite a spate of positive tests.
The Russian allegations follow a spate of positive tests in Jamaica and Kenya in recent years.
They said Mr. Fitzpatrick was receiving a spate of different test results on organic and conventional foods, had become confused and somehow had developed the solid notion that produce was tested for pesticide residue.
Use of such products has been widely linked to a spate of positive drug tests involving football players such as Jaap Stam and Edgar Davids and athletes including Linford Christie and Mark Richardson.
And in contrast to the media love-in of 2012, rather than facing playful questions about chicken nuggets Bolt, back in London for Friday's Anniversary Games at the Olympic Stadium, was forced to defend himself in the wake of a spate of failed drug tests among his rivals.
It comes after a spate of positive drugs tests among some of the country's athletes and allegations of corruption.
The governing body's decision to revert to a four-year sanction follows a spate of failed drug tests including Tyson Gay and Asafa Powell - two of the fastest four 100m runners of all time.
Tensions were heightened further by a spate of Northern missile tests in 2009 and then by the sinking of the Southern naval ship Cheonan in March 2010, in which 46 sailors died.
