fix tests on master (Pkg.clone removed)

[KristofferC]

No description provided.

[coveralls]

Pull Request Test Coverage Report for Build 144

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+9.9%) to 69.381%

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Totals
Change from base Build 142:	9.9%
Covered Lines:	213
Relevant Lines:	307

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💛 - Coveralls

[codecov-io]

Codecov Report

Merging #7 into master will increase coverage by 0.55%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master       #7      +/-   ##
==========================================
+ Coverage   66.75%   67.31%   +0.55%     
==========================================
  Files           4        4              
  Lines         361      358       -3     
==========================================
  Hits          241      241              
+ Misses        120      117       -3

Impacted Files	Coverage Δ
src/return.jl	64% <0%> (+0.5%)	⬆️
src/InteractiveCodeSearch.jl	88.82% <0%> (+1.03%)	⬆️

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[tkf]

Thanks!