diff --git a/test_runner/src/main/kotlin/ftl/reports/api/CreateJUnitTestSuite.kt b/test_runner/src/main/kotlin/ftl/reports/api/CreateJUnitTestSuite.kt
index 6517630b04..bb5e9c05a7 100644
--- a/test_runner/src/main/kotlin/ftl/reports/api/CreateJUnitTestSuite.kt
+++ b/test_runner/src/main/kotlin/ftl/reports/api/CreateJUnitTestSuite.kt
@@ -38,6 +38,6 @@ private fun Step.testSuiteName(): String {
     return listOf(map["Model"], map["Version"], map["Locale"], map["Orientation"]).joinToString("-")
 }
 
-private fun List<JUnitTestCase>.sumTime() = this
+private fun List<JUnitTestCase>.sumTime(): Double = this
     .map { it.time?.toDouble() ?: 0.0 }
     .reduce { acc, d -> acc + d }
diff --git a/test_runner/src/main/kotlin/ftl/reports/api/CreateTestExecutionData.kt b/test_runner/src/main/kotlin/ftl/reports/api/CreateTestExecutionData.kt
index 95676b039f..027279eefe 100644
--- a/test_runner/src/main/kotlin/ftl/reports/api/CreateTestExecutionData.kt
+++ b/test_runner/src/main/kotlin/ftl/reports/api/CreateTestExecutionData.kt
@@ -1,6 +1,7 @@
 package ftl.reports.api
 
 import com.google.api.services.testing.model.TestExecution
+import com.google.api.services.testing.model.ToolResultsStep
 import com.google.api.services.toolresults.model.ListTestCasesResponse
 import com.google.api.services.toolresults.model.Step
 import com.google.api.services.toolresults.model.Timestamp
@@ -9,6 +10,7 @@ import ftl.reports.api.data.TestExecutionData
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.async
 import kotlinx.coroutines.awaitAll
+import kotlinx.coroutines.coroutineScope
 import kotlinx.coroutines.runBlocking
 
 internal fun List<TestExecution>.createTestExecutionDataListAsync(): List<TestExecutionData> = runBlocking {
@@ -21,17 +23,26 @@ internal fun List<TestExecution>.createTestExecutionDataListAsync(): List<TestEx
     }.awaitAll()
 }
 
-private fun TestExecution.createTestExecutionData(): TestExecutionData {
-    val response: ListTestCasesResponse = GcToolResults.listTestCases(toolResultsStep)
-    val step: Step = GcToolResults.getStepResult(toolResultsStep)
+private suspend fun TestExecution.createTestExecutionData(): TestExecutionData {
+    val (
+        response: ListTestCasesResponse,
+        step: Step
+    ) = getAsync(toolResultsStep)
+
     return TestExecutionData(
-        testExecution = this,
+        testExecution = this@createTestExecutionData,
         testCases = response.testCases,
         step = step,
         timestamp = response.getStartTimestamp()
     )
 }
 
+private suspend fun getAsync(toolResultsStep: ToolResultsStep) = coroutineScope {
+    val response = async { GcToolResults.listTestCases(toolResultsStep) }
+    val step = async { GcToolResults.getStepResult(toolResultsStep) }
+    response.await() to step.await()
+}
+
 // Unfortunately is not possible to obtain from api exact the same timestamp as is in autogenerated test_result_1.xml from google cloud.
 // This one is a little bit lower but close as possible. The difference is around ~3 seconds.
 private fun ListTestCasesResponse.getStartTimestamp(): Timestamp = testCases.minBy { testCase ->
diff --git a/test_runner/src/main/kotlin/ftl/reports/api/PrepareForJUnitResult.kt b/test_runner/src/main/kotlin/ftl/reports/api/PrepareForJUnitResult.kt
index a072193f8f..5e8f75ca7f 100644
--- a/test_runner/src/main/kotlin/ftl/reports/api/PrepareForJUnitResult.kt
+++ b/test_runner/src/main/kotlin/ftl/reports/api/PrepareForJUnitResult.kt
@@ -28,9 +28,8 @@ private fun TestExecutionData.reduceTestCases() = copy(
         testCases.sortedBy { testCase: TestCase ->
             testCase.startTime.asUnixTimestamp()
         }.run {
-            firstOrNull { it.stackTraces != null } ?: first()
-        }.apply {
-            flaky = testCases.isFlaky()
+            if (!isFlaky()) first()
+            else first { it.stackTraces != null }.apply { flaky = true }
         }
     }
 )
diff --git a/test_runner/src/main/kotlin/ftl/reports/api/ProcessFromApi.kt b/test_runner/src/main/kotlin/ftl/reports/api/ProcessFromApi.kt
index f5df139bdf..4fa9b952b2 100644
--- a/test_runner/src/main/kotlin/ftl/reports/api/ProcessFromApi.kt
+++ b/test_runner/src/main/kotlin/ftl/reports/api/ProcessFromApi.kt
@@ -21,7 +21,7 @@ fun processXmlFromApi(
     .getTestExecutions()
     .createJUnitTestResult()
 
-internal fun refreshTestMatrices(
+private fun refreshTestMatrices(
     matrixIds: List<String>,
     projectId: String
 ): List<TestMatrix> = runBlocking {
@@ -35,6 +35,6 @@ internal fun refreshTestMatrices(
     }.awaitAll()
 }
 
-internal fun List<TestMatrix>.getTestExecutions(): List<TestExecution> = this
+private fun List<TestMatrix>.getTestExecutions(): List<TestExecution> = this
     .map(TestMatrix::getTestExecutions)
     .flatten()
diff --git a/test_runner/src/main/kotlin/ftl/reports/xml/JUnitXml.kt b/test_runner/src/main/kotlin/ftl/reports/xml/JUnitXml.kt
index a4c14af8a5..cda3835a7f 100644
--- a/test_runner/src/main/kotlin/ftl/reports/xml/JUnitXml.kt
+++ b/test_runner/src/main/kotlin/ftl/reports/xml/JUnitXml.kt
@@ -18,7 +18,7 @@ private val xmlMapper = XmlMapper(xmlModule)
 internal val xmlPrettyWriter = xmlMapper.writerWithDefaultPrettyPrinter()
 
 private fun xmlBytes(path: Path): ByteArray {
-    if (!path.toFile().exists()) RuntimeException("$path doesn't exist!")
+    if (!path.toFile().exists()) throw RuntimeException("$path doesn't exist!")
     return Files.readAllBytes(path)
 }