diff --git a/tests-execution-chart-commons/src/test/groovy/io/github/platan/tests_execution_chart/reporters/json/JsonReporterTest.groovy b/tests-execution-chart-commons/src/test/groovy/io/github/platan/tests_execution_chart/reporters/json/JsonReporterTest.groovy
index 01a81f3..b136c7e 100644
--- a/tests-execution-chart-commons/src/test/groovy/io/github/platan/tests_execution_chart/reporters/json/JsonReporterTest.groovy
+++ b/tests-execution-chart-commons/src/test/groovy/io/github/platan/tests_execution_chart/reporters/json/JsonReporterTest.groovy
@@ -11,40 +11,39 @@ import static io.github.platan.tests_execution_chart.report.data.TimedTestResult
 class JsonReporterTest extends Specification {
     def "should generate report in json"() {
         given:
-        def PATHNAME = "./test"
-        def CONFIG_OUTPUT_LOCATION = "reports/tests-execution/json"
+        def pathName = "./test"
+        def configOutputLocation = "reports/tests-execution/json"
         def report = new TestExecutionScheduleReport([
                 new TimedTestResult('class', 'test', toEpochMilli('2023-03-10T19:00:02Z'), toEpochMilli('2023-03-10T19:00:05Z'), 'passed', TEST)
         ], [new Mark('mark1', toEpochMilli('2023-03-10T19:00:05Z'))])
         def reporter = new JsonReporter().tap {
-            it.setConfiguration(new JsonConfig(true, CONFIG_OUTPUT_LOCATION))
+            it.setConfiguration(new JsonConfig(true, configOutputLocation))
         }
 
         when:
-        reporter.report(report, new File(PATHNAME), "taskname")
+        reporter.report(report, new File(pathName), "taskname")
 
         then:
-        def file = new File("""${PATHNAME}/${CONFIG_OUTPUT_LOCATION}/taskname.json""")
-        // i dont know how to make it with indentation
+        def file = new File("""${pathName}/${configOutputLocation}/taskname.json""")
         file.getText("UTF-8") ==
-"""{
-    "results": [
-        {
-            "className": "class",
-            "testName": "test",
-            "startTime": 1678474802000,
-            "endTime": 1678474805000,
-            "resultType": "passed",
-            "type": "TEST"
-        }
-    ],
-    "marks": [
-        {
-            "name": "mark1",
-            "timestamp": 1678474805000
-        }
-    ]
-}"""
+                """{
+                |    "results": [
+                |        {
+                |            "className": "class",
+                |            "testName": "test",
+                |            "startTime": 1678474802000,
+                |            "endTime": 1678474805000,
+                |            "resultType": "passed",
+                |            "type": "TEST"
+                |        }
+                |    ],
+                |    "marks": [
+                |        {
+                |            "name": "mark1",
+                |            "timestamp": 1678474805000
+                |        }
+                |    ]
+                |}""".stripMargin()
     }
 
     private static long toEpochMilli(String instant) {