diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index da65bec..0b8f709 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -9,10 +9,18 @@ linter:
   script:
     - "golangci-lint run"
 
+testing:
+  stage: "testing"
+  needs:
+    - "linter"
+  image: "cr.simoncor.net/siempie/go-build:latest"
+  script:
+    - "go test cmd/gogitlabber/*"
+
 build:
   stage: "build"
   needs:
-    - "linter"
+    - "testing"
   image: "cr.simoncor.net/siempie/go-build:latest"
   script:
     - "GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -o gogitlabber cmd/gogitlabber/*"
diff --git a/cmd/gogitlabber/prerequisites_test.go b/cmd/gogitlabber/prerequisites_test.go
new file mode 100644
index 0000000..3c8c479
--- /dev/null
+++ b/cmd/gogitlabber/prerequisites_test.go
@@ -0,0 +1,37 @@
+package main
+
+import (
+	"errors"
+	"testing"
+)
+
+// new type for the lookup function
+type lookPathFunc func(file string) (string, error)
+
+// modified function to accept a lookup function
+func verifyGitAvailableWithLookup(lookPath lookPathFunc) error {
+	_, err := lookPath("git")
+	if err != nil {
+		return errors.New("could not find git in path")
+	}
+	return nil
+}
+
+func TestVerifyGitAvailable(t *testing.T) {
+
+	// test case 1: git is available
+	err := verifyGitAvailableWithLookup(func(file string) (string, error) {
+		return "/usr/bin/git", nil
+	})
+	if err != nil {
+		t.Errorf("Expected no error when git is available, got: %v", err)
+	}
+
+	// test case 2: git is not available
+	err = verifyGitAvailableWithLookup(func(file string) (string, error) {
+		return "", errors.New("git not found")
+	})
+	if err == nil {
+		t.Error("Expected error when git is not available, got nil")
+	}
+}