diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index eb265481..763ac646 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,5 +1,8 @@
 name: Java CI
 
+env:
+  RUN_FROM: GHA
+
 on: [push]
 
 jobs:
diff --git a/src/test/kotlin/no/rodland/advent/TestMisc.kt b/src/test/kotlin/no/rodland/advent/TestMisc.kt
index 512a6b08..2cdcd352 100644
--- a/src/test/kotlin/no/rodland/advent/TestMisc.kt
+++ b/src/test/kotlin/no/rodland/advent/TestMisc.kt
@@ -8,6 +8,8 @@ import org.junit.jupiter.api.extension.ExtensionContext
 import kotlin.system.measureTimeMillis
 import kotlin.time.measureTimedValue
 
+val GHA = System.getenv("RUN_FROM") == "GHA"
+
 fun <T> report(function: () -> Pair<T, T>) {
     getHeader().run {
         println(this)
@@ -123,8 +125,8 @@ fun <T, S, U> defaultTestSuiteParseOnCall(
     numTestPart1: Int = 10,
     numTestPart2: Int = 10,
 ) = AOCTestSuite(
-    AOCTest(part1, liveData, livePart1, numTestPart1, day = day, part = Part.ONE, live = true),
-    AOCTest(part2, liveData, livePart2, numTestPart2, day = day, part = Part.TWO, live = true),
+    AOCTest(part1, liveData, livePart1,  if (GHA) 1 else numTestPart1, day = day, part = Part.ONE, live = true),
+    AOCTest(part2, liveData, livePart2,  if (GHA) 1 else numTestPart2, day = day, part = Part.TWO, live = true),
     AOCTest(part1, testData, testPart1, 1, day, part = Part.ONE, live = false),
     AOCTest(part2, testData, testPart2, 1, day, part = Part.TWO, live = false),
     AOCTest(part1, liveData, livePart1, 1, day = day, part = Part.ONE, live = true),
@@ -146,12 +148,12 @@ fun <T, S> defaultTestSuiteParseOnInit(
     numInitLive: Int = 100,
     numInitTest: Int = 100,
 ) = AOCTestSuite(
-    AOCTest({ liveDay.partOne() }, Unit, livePart1, numTestPart1, liveDay.day, Part.ONE, true),
-    AOCTest({ liveDay.partTwo() }, Unit, livePart2, numTestPart2, liveDay.day, Part.TWO, true),
+    AOCTest({ liveDay.partOne() }, Unit, livePart1,  if (GHA) 1 else numTestPart1, liveDay.day, Part.ONE, true),
+    AOCTest({ liveDay.partTwo() }, Unit, livePart2,  if (GHA) 1 else numTestPart2, liveDay.day, Part.TWO, true),
     AOCTest({ testDay.partOne() }, Unit, testPart1, 1, liveDay.day, Part.ONE, false),
     AOCTest({ testDay.partTwo() }, Unit, testPart2, 1, liveDay.day, Part.TWO, false),
-    AOCTest({ initLive() }, Unit, Unit, numInitLive, liveDay.day, Part.INIT, live = true),
-    AOCTest({ initTest() }, Unit, Unit, numInitTest, liveDay.day, Part.INIT, live = false),
+    AOCTest({ initLive() }, Unit, Unit, numInitLive,  if (GHA) 1 else liveDay.day, Part.INIT, live = true),
+    AOCTest({ initTest() }, Unit, Unit, numInitTest,  if (GHA) 1 else liveDay.day, Part.INIT, live = false),
 )