diff --git a/tests/data/jsons/sys-prefix.json b/tests/data/jsons/sys-prefix.json
index f949319d..f44c1bf0 100644
--- a/tests/data/jsons/sys-prefix.json
+++ b/tests/data/jsons/sys-prefix.json
@@ -19,16 +19,11 @@
                         "-c",
                         "import sys; f = open(r'__OUTPUT_FILE__', 'w'); f.write(sys.prefix); f.close()"
                     ],
-                    "description": "Note how __OUTPUT_FILE__ is using raw-strings. Otherwise the backslashes are not properly escaped.",
-		    "working_dir": "%TEMP%/working_dir_test"
+                    "description": "Note how __OUTPUT_FILE__ is using raw-strings. Otherwise the backslashes are not properly escaped."
                 },
-                "linux": {
-		    "precommand": "export TMP=/tmp",
-		    "working_dir": "${HOME}/working_dir_test"
-		},
+                "linux": {},
                 "osx": {
-                    "CFBundleName": "Sys Prefix",
-		    "working_dir": "${TMPDIR}/working_dir_test"
+                    "CFBundleName": "Sys Prefix"
                 }
             }
         }
diff --git a/tests/data/jsons/working-dir.json b/tests/data/jsons/working-dir.json
new file mode 100644
index 00000000..6d68b21c
--- /dev/null
+++ b/tests/data/jsons/working-dir.json
@@ -0,0 +1,35 @@
+{
+    "$schema": "https://json-schema.org/draft-07/schema",
+    "$id": "https://schemas.conda.io/menuinst-1.schema.json",
+    "menu_name": "Sys.Prefix {{ DISTRIBUTION_NAME }}",
+    "menu_items": [
+        {
+            "name": "Sys.Prefix",
+            "description": "This will install to Windows and Linux with default options. MacOS has a custom option.",
+            "icon": null,
+            "command": [
+                "{{ PYTHON }}",
+                "-c",
+                "import sys; print(sys.prefix)"
+            ],
+            "platforms": {
+                "win": {
+                    "command": [
+                        "{{ PYTHON }}",
+                        "-c",
+                        "import sys; f = open(r'__OUTPUT_FILE__', 'w'); f.write(sys.prefix); f.close()"
+                    ],
+                    "description": "Note how __OUTPUT_FILE__ is using raw-strings. Otherwise the backslashes are not properly escaped.",
+		    "working_dir": "%TEMP%/working_dir_test"
+                },
+                "linux": {
+		    "working_dir": "${TMP}/working_dir_test"
+		},
+                "osx": {
+                    "CFBundleName": "Sys Prefix",
+		    "working_dir": "${TMPDIR}/working_dir_test"
+                }
+            }
+        }
+    ]
+}
diff --git a/tests/test_api.py b/tests/test_api.py
index 2cacd74e..52573d7d 100644
--- a/tests/test_api.py
+++ b/tests/test_api.py
@@ -374,15 +374,17 @@ def test_name_dictionary(target_env_is_base):
         remove(abs_json_path, target_prefix=tmp_target_path, base_prefix=tmp_base_path)
 
 
-def test_vars_in_working_dir(tmp_path, delete_files):
+def test_vars_in_working_dir(tmp_path, monkeypatch, delete_files):
     if PLATFORM == "win":
         expected_directory = Path(os.environ["TEMP"], "working_dir_test")
     elif PLATFORM == "osx":
         expected_directory = Path(os.environ["TMPDIR"], "working_dir_test")
     else:
+        # Linux often does not have an environment variable for the tmp directory
+        monkeypatch.setenv("TMP", "/tmp")
         expected_directory = Path("/tmp/working_dir_test")
     delete_files.append(expected_directory)
-    datafile = str(DATA / "jsons" / "sys-prefix.json")
+    datafile = str(DATA / "jsons" / "working-dir.json")
     try:
         install(datafile, base_prefix=tmp_path, target_prefix=tmp_path)
         assert expected_directory.exists()