diff --git a/bin/build.sh b/bin/build.sh
index 854be87..98eca95 100755
--- a/bin/build.sh
+++ b/bin/build.sh
@@ -35,6 +35,9 @@ FAILED_EXERCISES=''
 
 for example_file in exercises/**/*.example.elm
 do
+  # clean up generated code from last run
+  rm -rf tests/elm-stuff/generated-code/
+
   exercise_dir=$(dirname $example_file)
   exercise_name=$(basename $example_file .example.elm)
   mv "$exercise_dir/$exercise_name.elm" "$exercise_dir/$exercise_name.impl"
@@ -42,7 +45,9 @@ do
   echo '-------------------------------------------------------'
   echo "Testing $exercise_name"
 
-  npm test -- $exercise_dir/tests/Tests.elm
+  cp "$exercise_dir/tests/Tests.elm" tests/
+
+  npm test -- tests/Tests.elm
 
   # capture result from last command (elm-test)
   if [ $? -ne 0 ]; then
@@ -53,6 +58,7 @@ do
   # be kind, rewind
   mv "$exercise_dir/$exercise_name.elm" "$exercise_dir/$exercise_name.example.elm"
   mv "$exercise_dir/$exercise_name.impl" "$exercise_dir/$exercise_name.elm"
+  rm tests/Tests.elm
 done
 
 if [ $TEST_RESULT -ne 0 ]; then
diff --git a/elm-package.json b/elm-package.json
index 077e09c..25056b9 100644
--- a/elm-package.json
+++ b/elm-package.json
@@ -38,8 +38,7 @@
     ],
     "exposed-modules": [],
     "dependencies": {
-        "elm-lang/core": "5.0.0 <= v < 6.0.0",
-        "elm-community/elm-test": "4.0.0 <= v < 5.0.0"
+        "elm-lang/core": "5.0.0 <= v < 6.0.0"
     },
     "elm-version": "0.18.0 <= v < 0.19.0"
 }
diff --git a/tests/elm-package.json b/tests/elm-package.json
new file mode 100644
index 0000000..abf69f5
--- /dev/null
+++ b/tests/elm-package.json
@@ -0,0 +1,45 @@
+{
+    "version": "3.0.0",
+    "summary": "Exercism problems in Elm.",
+    "repository": "https://github.com/exercism/xelm.git",
+    "license": "BSD3",
+    "source-directories": [
+        ".",
+        "../exercises/hello-world",
+        "../exercises/leap",
+        "../exercises/pangram",
+        "../exercises/rna-transcription",
+        "../exercises/hamming",
+        "../exercises/word-count",
+        "../exercises/bob",
+        "../exercises/run-length-encoding",
+        "../exercises/difference-of-squares",
+        "../exercises/anagram",
+        "../exercises/raindrops",
+        "../exercises/triangle",
+        "../exercises/scrabble-score",
+        "../exercises/accumulate",
+        "../exercises/sublist",
+        "../exercises/sum-of-multiples",
+        "../exercises/strain",
+        "../exercises/space-age",
+        "../exercises/nucleotide-count",
+        "../exercises/series",
+        "../exercises/phone-number",
+        "../exercises/grade-school",
+        "../exercises/allergies",
+        "../exercises/robot-simulator",
+        "../exercises/list-ops",
+        "../exercises/atbash-cipher",
+        "../exercises/say",
+        "../exercises/largest-series-product",
+        "../exercises/roman-numerals",
+        "../exercises/gigasecond"
+    ],
+    "exposed-modules": [],
+    "dependencies": {
+        "elm-lang/core": "5.0.0 <= v < 6.0.0",
+        "elm-community/elm-test": "4.0.0 <= v < 5.0.0"
+    },
+    "elm-version": "0.18.0 <= v < 0.19.0"
+}