Make mock default repeatability to 1

[Fs02]

Fixes: #20

[codecov]

Codecov Report

Merging #23 (152f4c4) into main (f9367b0) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##              main       #23   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           20        20           
  Lines          915       915           
=========================================
  Hits           915       915           

Impacted Files	Coverage Δ
aggregate.go	100.00% <100.00%> (ø)
assert.go	100.00% <100.00%> (ø)
count.go	100.00% <100.00%> (ø)
delete.go	100.00% <100.00%> (ø)
delete_all.go	100.00% <100.00%> (ø)
delete_any.go	100.00% <100.00%> (ø)
exec.go	100.00% <100.00%> (ø)
find.go	100.00% <100.00%> (ø)
find_all.go	100.00% <100.00%> (ø)
find_and_count_all.go	100.00% <100.00%> (ø)
... and 5 more

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