3 files changed, 6 insertions, 0 deletions
diff --git a/test/lib/completions/acroread.exp b/test/lib/completions/acroread.exp
index faf28b00..d21d0f55 100644
--- a/test/lib/completions/acroread.exp
+++ b/test/lib/completions/acroread.exp
@@ -1,10 +1,12 @@
 proc setup {} {
+    save_env
     assert_bash_exec "touch fixture1/t.pdf";  # Create temporary files
 }; # setup()
 
 
 proc teardown {} {
     assert_bash_exec "rm fixture1/t.pdf";  # Remove temporary files
+    assert_env_unmodified
 }; # teardown()
 
 
diff --git a/test/lib/completions/gzip.exp b/test/lib/completions/gzip.exp
index 4d3b59f7..f212c61a 100644
--- a/test/lib/completions/gzip.exp
+++ b/test/lib/completions/gzip.exp
@@ -1,8 +1,10 @@
 proc setup {} {
+    save_env
 }; # setup()
 
 
 proc teardown {} {
+    assert_env_unmodified
 }; # teardown()
 
 
diff --git a/test/lib/completions/kill.exp b/test/lib/completions/kill.exp
index 62d6b85b..ca02650c 100644
--- a/test/lib/completions/kill.exp
+++ b/test/lib/completions/kill.exp
@@ -1,8 +1,10 @@
 proc setup {} {
+    save_env
 }; # setup()
 
 
 proc teardown {} {
+    assert_env_unmodified
 }; # teardown()