diff --git a/clitests/cities.psil b/clitests/cities.test.psil
similarity index 100%
rename from clitests/cities.psil
rename to clitests/cities.test.psil
diff --git a/clitests/cities.psil.ex b/clitests/cities.test.psil.ex
similarity index 100%
rename from clitests/cities.psil.ex
rename to clitests/cities.test.psil.ex
diff --git a/clitests/coffee.psil b/clitests/coffee.test.psil
similarity index 100%
rename from clitests/coffee.psil
rename to clitests/coffee.test.psil
diff --git a/clitests/coffee.psil.ex b/clitests/coffee.test.psil.ex
similarity index 100%
rename from clitests/coffee.psil.ex
rename to clitests/coffee.test.psil.ex
diff --git a/clitests/comb.psil b/clitests/comb.test.psil
similarity index 100%
rename from clitests/comb.psil
rename to clitests/comb.test.psil
diff --git a/clitests/comb.psil.ex b/clitests/comb.test.psil.ex
similarity index 100%
rename from clitests/comb.psil.ex
rename to clitests/comb.test.psil.ex
diff --git a/clitests/decorate.psil b/clitests/decorate.test.psil
similarity index 100%
rename from clitests/decorate.psil
rename to clitests/decorate.test.psil
diff --git a/clitests/decorate.psil.ex b/clitests/decorate.test.psil.ex
similarity index 100%
rename from clitests/decorate.psil.ex
rename to clitests/decorate.test.psil.ex
diff --git a/clitests/examples.psil b/clitests/examples.test.psil
similarity index 100%
rename from clitests/examples.psil
rename to clitests/examples.test.psil
diff --git a/clitests/examples.psil.ex b/clitests/examples.test.psil.ex
similarity index 100%
rename from clitests/examples.psil.ex
rename to clitests/examples.test.psil.ex
diff --git a/clitests/fib.psil b/clitests/fib.test.psil
similarity index 100%
rename from clitests/fib.psil
rename to clitests/fib.test.psil
diff --git a/clitests/fib.psil.ex b/clitests/fib.test.psil.ex
similarity index 100%
rename from clitests/fib.psil.ex
rename to clitests/fib.test.psil.ex
diff --git a/clitests/reverse-tree.psil b/clitests/reverse-tree.test.psil
similarity index 100%
rename from clitests/reverse-tree.psil
rename to clitests/reverse-tree.test.psil
diff --git a/clitests/reverse-tree.psil.ex b/clitests/reverse-tree.test.psil.ex
similarity index 100%
rename from clitests/reverse-tree.psil.ex
rename to clitests/reverse-tree.test.psil.ex
diff --git a/clitests/testall.sh b/clitests/testall.sh
index 9fb604e..554ef72 100755
--- a/clitests/testall.sh
+++ b/clitests/testall.sh
@@ -3,7 +3,7 @@ cd "$(dirname "$0")"
 
 FAILED=()
 
-for FILE in *.psil; do
+for FILE in *.test.psil; do
       echo "TESTING $FILE"
       $PSIL -f $FILE --repl- --default_log_level:0 > $FILE.res
       if [ $? -ne 0 ]; then