diff --git a/tests/basic.toml b/tests/basic.toml
index f79eb09..7bf7ca1 100644
--- a/tests/basic.toml
+++ b/tests/basic.toml
@@ -69,7 +69,7 @@
   exitcode = 1
   args = ["nonexistant"]
 
-  [lexists_nonexistent.env]
+  [nonexistent.env]
     PKG_CONFIG_PATH="{test_root}/lib1"
 
 [exists_version]
@@ -96,4 +96,42 @@
   args = ["--uninstalled", "foo"]
 
   [uninstalled_bad.env]
+    PKG_CONFIG_PATH="{test_root}/lib1"
+
+[uninstalled]
+  args = ["--uninstalled", "omg"]
+
+  [uninstalled.env]
+    PKG_CONFIG_PATH="{test_root}/lib1"
+
+[exists_version_bad2]
+  exitcode = 1
+  args = ["--exists", "foo >= "]
+
+  [exists_version_bad2.env]
+    PKG_CONFIG_PATH="{test_root}/lib1"
+
+[exists_version_bad3]
+  exitcode = 1
+  args = ["--exists", "tilde >= 1.0.0"]
+
+  [exists_version_bad3.env]
+    PKG_CONFIG_PATH="{test_root}/lib1"
+
+[exists]
+  args = ["--exists", "tilde >= 1.0.0"]
+
+  [exists.env]
+    PKG_CONFIG_PATH="{test_root}/lib1"
+
+[exists2]
+  args = ["--exists", "tilde >= 1.0.0~rc1"]
+
+  [exists2.env]
+    PKG_CONFIG_PATH="{test_root}/lib1"
+
+[exists3]
+  args = ["--exists", "", "foo"]
+
+  [exists3.env]
     PKG_CONFIG_PATH="{test_root}/lib1"
\ No newline at end of file