Add transitive expects test roc files

crates/cli/tests/expects-transitive/Direct.roc

@@ -0,0 +1,14 @@
+interface Direct
+    exposes [
+        addAndStringify,
+    ]
+    imports [
+        Transitive,
+    ]
+
+addAndStringify = \num1, num2 ->
+    Num.toStr (Transitive.add num1 num2)
+
+expect addAndStringify 1 2 == "3"
+
+expect addAndStringify 3 4 == "7"

crates/cli/tests/expects-transitive/Transitive.roc

@@ -0,0 +1,9 @@
+interface Transitive
+    exposes [
+        add,
+    ]
+    imports []
+
+add = \num1, num2 -> (num1 + num2)
+
+expect add 1 2 == 3

crates/cli/tests/expects-transitive/main.roc

@@ -0,0 +1,5 @@
+package "transitive-tests"
+    exposes [
+        Direct,
+    ]
+    packages {}