diff --git a/build.sc b/build.sc
index 6dca4a449..d262178c6 100644
--- a/build.sc
+++ b/build.sc
@@ -153,6 +153,7 @@ object upack extends Module {
     def moduleDeps = Seq(upickle.core.jvm())
     object test extends CommonTestModule{
       def moduleDeps = super.moduleDeps ++ Seq(ujson.jvm().test, upickle.core.jvm().test)
+      def forkEnv = super.forkEnv() ++ Map("EXAMPLE_JSON" -> exampleJson().path.toString)
     }
   }
 
@@ -182,6 +183,7 @@ object ujson extends Module{
 
     object test extends CommonTestModule{
       def moduleDeps = super.moduleDeps ++ Seq(upickle.core.jvm().test)
+      def forkEnv = super.forkEnv() ++ Map("EXAMPLE_JSON" -> exampleJson().path.toString)
     }
   }
 
diff --git a/mill b/mill
index 8f7ce715d..d03a045cb 100755
--- a/mill
+++ b/mill
@@ -7,7 +7,7 @@
 set -e
 
 if [ -z "${DEFAULT_MILL_VERSION}" ] ; then
-  DEFAULT_MILL_VERSION=0.11.2
+  DEFAULT_MILL_VERSION=0.11.12
 fi
 
 if [ -z "$MILL_VERSION" ] ; then
@@ -53,7 +53,9 @@ if [ -z "$MILL_MAIN_CLI" ] ; then
 fi
 
 MILL_FIRST_ARG=""
-if [ "$1" = "--bsp" ] || [ "$1" = "-i" ] || [ "$1" = "--interactive" ] || [ "$1" = "--no-server" ] || [ "$1" = "--repl" ] || [ "$1" = "--help" ] ; then
+
+ # first arg is a long flag for "--interactive" or starts with "-i"
+if [ "$1" = "--bsp" ] || [ "${1#"-i"}" != "$1" ] || [ "$1" = "--interactive" ] || [ "$1" = "--no-server" ] || [ "$1" = "--repl" ] || [ "$1" = "--help" ] ; then
   # Need to preserve the first position of those listed options
   MILL_FIRST_ARG=$1
   shift
diff --git a/ujson/test/src-jvm/ujson/ExampleJsonTests.scala b/ujson/test/src-jvm/ujson/ExampleJsonTests.scala
index 585f2d469..ee4ce7f60 100644
--- a/ujson/test/src-jvm/ujson/ExampleJsonTests.scala
+++ b/ujson/test/src-jvm/ujson/ExampleJsonTests.scala
@@ -5,9 +5,10 @@ import java.nio.file.{Files, Paths}
 import utest._
 
 object ExampleJsonTests extends TestSuite {
-  def check(name: String) = {
-    TestUtil.checkParse(new String(Files.readAllBytes(Paths.get("exampleJson", name))), true)
-  }
+  def check(name: String) = TestUtil.checkParse(
+    new String(Files.readAllBytes(Paths.get(sys.env("EXAMPLE_JSON"), name))),
+    true
+  )
   val tests = Tests {
     test - check("australia-abc.json")
     test - check("bitcoin.json")
diff --git a/upack/test/src-jvm/upack/ExampleJsonTests.scala b/upack/test/src-jvm/upack/ExampleJsonTests.scala
index 421e9c7aa..17c3a2d01 100644
--- a/upack/test/src-jvm/upack/ExampleJsonTests.scala
+++ b/upack/test/src-jvm/upack/ExampleJsonTests.scala
@@ -7,7 +7,7 @@ import utest._
 object ExampleJsonTests extends TestSuite {
   def check(name: String) = {
     val msgPack = ujson
-      .read(Files.readAllBytes(Paths.get("exampleJson", name)))
+      .read(Files.readAllBytes(Paths.get(sys.env("EXAMPLE_JSON"), name)))
       .transform(new MsgPackWriter(new java.io.ByteArrayOutputStream))
       .toByteArray
     TestUtil.checkParse(msgPack, true)
diff --git a/upack/test/src-jvm/upack/MsgPackJvmTests.scala b/upack/test/src-jvm/upack/MsgPackJvmTests.scala
index 71a931c13..d5383e0ef 100644
--- a/upack/test/src-jvm/upack/MsgPackJvmTests.scala
+++ b/upack/test/src-jvm/upack/MsgPackJvmTests.scala
@@ -22,9 +22,10 @@ object MsgPackJvmTests extends TestSuite{
 
       // Taken from:
       // https://github.com/msgpack/msgpack-ruby/tree/a22d8268f82e0f2ae95f038285af43ce5971810e/spec
-      val casesJson = "upack/test/resources/cases.json"
-      val casesMsg = "upack/test/resources/cases.msg"
-      val casesCompactMsg = "upack/test/resources/cases_compact.msg"
+      val resources = sys.env("MILL_TEST_RESOURCE_FOLDER")
+      val casesJson = resources + "/cases.json"
+      val casesMsg = resources + "/cases.msg"
+      val casesCompactMsg = resources + "/cases_compact.msg"
       val expectedJson = ujson.read(readBytes(casesJson))
 //      println("---msgs---")
       val msg = readMsgs(casesMsg)