Prefix with underscores unused local variables (#102)

Author: giordano

src/ParallelTestRunner.jl

@@ -493,7 +493,7 @@ dictionary mapping test names to expression that include each test file.
 """
 function find_tests(dir::String)
     tests = Dict{String, Expr}()
-    for (rootpath, dirs, files) in walkdir(dir)
+    for (rootpath, _dirs, files) in walkdir(dir)
         # find Julia files
         filter!(files) do file
             endswith(file, ".jl") && file !== "runtests.jl"
@@ -837,7 +837,7 @@ function runtests(mod::Module, args::ParsedArgs;
 
     function clear_status()
         if status_lines_visible[] > 0
-            for i in 1:status_lines_visible[]-1
+            for _ in 1:(status_lines_visible[]-1)
                 print(io_ctx.stdout, "\033[2K")  # Clear entire line
                 print(io_ctx.stdout, "\033[1A")  # Move up one line
             end
@@ -1109,7 +1109,7 @@ function runtests(mod::Module, args::ParsedArgs;
     @async rmprocs(; waitfor=0)
 
     # print the output generated by each testset
-    for (testname, result, output, start, stop) in results
+    for (testname, result, output, _start, _stop) in results
         if !isempty(output)
             print(io_ctx.stdout, "\nOutput generated during execution of '")
             if result isa Exception || anynonpass(result.value)
@@ -1167,7 +1167,7 @@ function runtests(mod::Module, args::ParsedArgs;
     function collect_results()
         with_testset(o_ts) do
             completed_tests = Set{String}()
-            for (testname, result, output, start, stop) in results
+            for (testname, result, _output, start, stop) in results
                 push!(completed_tests, testname)
 
                 if result isa AbstractTestRecord