Improve the golangci-lint config

.golangci.yml

@@ -9,6 +9,18 @@ issues:
   # Maximum count of issues with the same text. Set to 0 to disable. Default is 3.
   max-same-issues: 0
 
+  # We want to try and improve the comments in the k6 codebase, so individual
+  # non-golint items from the default exclusion list will gradually be addded
+  # to the exclude-rules below
+  exclude-use-default: false
+
+  exclude-rules:
+   # Exclude duplicate code checking in test files (due to common repeats in
+   # test setup code)
+   - path: _test\.go
+     linters:
+       - dupl
+
 
 linters-settings:
   govet:
@@ -20,7 +32,7 @@ linters-settings:
   maligned:
     suggest-new: true
   dupl:
-    threshold: 100
+    threshold: 150
   goconst:
     min-len: 5
     min-occurrences: 4