Mocha Test parser accepts only integer durations

com.google.gson.JsonSyntaxException: java.lang.NumberFormatException: Expected an int but was 3.3382 at line 1 column 39
        at com.google.gson.internal.bind.TypeAdapters$7.read(TypeAdapters.java:232)
        at com.google.gson.internal.bind.TypeAdapters$7.read(TypeAdapters.java:222)
        at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.read(ReflectiveTypeAdapterFactory.java:93)
        at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:172)
        at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.read(TypeAdapterRuntimeTypeWrapper.java:40)
        at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:81)
        at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:60)
        at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.read(ReflectiveTypeAdapterFactory.java:93)
        at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:172)
        at com.google.gson.Gson.fromJson(Gson.java:790)
        at com.google.gson.Gson.fromJson(Gson.java:729)
        at com.atlassian.bamboo.plugins.nodejs.tasks.mocha.parser.MochaReportCollector.collect(MochaReportCollector.java:36)
        at com.atlassian.bamboo.build.test.TestCollationServiceImpl$1$1.run(TestCollationServiceImpl.java:139)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NumberFormatException: Expected an int but was 3.3382 at line 1 column 39
        at com.google.gson.stream.JsonReader.nextInt(JsonReader.java:1192)
        at com.google.gson.internal.bind.TypeAdapters$7.read(TypeAdapters.java:230)
        ... 17 more