Merge pull request #2646 from sankur-codes/go-diff-MacOS-fix

Added fix for diff issue in MacOS

docs/prepare-your-dev-environment.md

@@ -60,6 +60,9 @@ Install the `libgpgme-dev` package.
 
     # Install gpgme
     brew install gpgme
+
+    # Install diffutils to avoid errors during test runs
+    brew install diffutils
     ```
 
 1. Modify your `~/.zshrc` (or `~/.bashrc` for Bash): this prepends `PATH` with GNU Utils paths;

docs/testing.md

@@ -8,6 +8,8 @@ To run RP unit tests:
 make test-go
 ```
 
+In case of MacOS, the go-diff module creates [issue](https://github.com/golangci/golangci-lint/issues/3087) making the test fail. Until a new release of the module with the [fix](https://github.com/sourcegraph/go-diff/pull/65) is available, an easy workaround to mitigate the issue is to install diffutils using `brew install diffutils`
+
 To Run Go tests with coverage:
 
 ```bash