Upload performance test result to artifact, cat the result to console

As I didn't find a solution to display the txt in pipeline ui.

.gitignore

@@ -39,4 +39,5 @@ bin/
 .vscode/
 
 ### Mac OS ###
-.DS_Store
+.DS_Store
+performance.txt

.gitlab-ci.yml

@@ -25,3 +25,6 @@ run-performance-analyze:
     - job: unit-test-all
   script:
     - ./gradlew runPerformanceAnalyze
+    - cat performance.txt
+  artifacts:
+    paths: ['performance.txt']

build.gradle.kts

@@ -1,3 +1,5 @@
+import java.io.FileOutputStream
+
 plugins {
     id("java")
 }
@@ -37,4 +39,5 @@ tasks.named<JavaExec>("runPerformanceAnalyze") {
     classpath = sourceSets.test.get().runtimeClasspath
     mainClass.set("com.cleverthis.interview.PerformanceAnalyze")
     jvmArgs("-Dfast=true")
+    standardOutput = FileOutputStream("performance.txt")
 }