using instead of import in tests (#839)

jishnub · web-flow · commit 3050390c1e6a · 2022-10-20T16:17:39.000+04:00
diff --git a/test/runtests.jl b/test/runtests.jl
@@ -1,5 +1,5 @@
 using ApproxFun, Random, Test
-import ApproxFunBase: testbandedblockbandedoperator, blocklengths, ∞
+using ApproxFunBase: testbandedblockbandedoperator, blocklengths, ∞
 
 using Aqua
 @testset "Project quality" begin
