chore: add back go-junit-report tool install

Author: jpayne3506

.pipelines/templates/run-unit-tests.yaml

@@ -15,14 +15,15 @@ stages:
               set -e
               make bpf-lib
               go generate ./...
+              make go-junit-report
 
               # run test, echo exit status code to fd 3, pipe output from test to tee, which splits output to stdout and go-junit-report (which converts test output to report.xml),
               # stdout from tee is redirected to fd 4. Take output written to fd 3 (which is the exit code of test), redirect to stdout, pipe to read from stdout then exit with that status code.
               # Read all output from fd 4 (output from tee) and write to top stdout
               { { { {
                     sudo -E env "PATH=$PATH" make test-all;
                     echo $? >&3;
-                    } | tee >(go tool -modfile=tools.go.mod go-junit-report > report.xml) >&4;
+                    } | tee >($(go env GOPATH)/bin/go-junit-report > report.xml) >&4;
                   } 3>&1;
                 } | { read xs; exit $xs; }
               } 4>&1

Makefile

@@ -989,11 +989,13 @@ setup: tools install-hooks gitconfig ## performs common required repo setup
 
 ##@ Tools
 
-tools: renderkit
+tools: renderkit go-junit-report
 
 renderkit: ## Install renderkit for rendering Dockerfile templates
 	@go install -modfile=$(TOOLS_GO_MOD) github.com/orellazri/renderkit
 
+go-junit-report: ## Install go-junit-report for converting test results to JUnit XML format
+	@go install -modfile=$(TOOLS_GO_MOD) github.com/jstemmer/go-junit-report
 
 ##@ Help