diff --git a/test/tests/dbTest.js b/test/tests/dbTest.js
index cb04a81001..4889a59593 100644
--- a/test/tests/dbTest.js
+++ b/test/tests/dbTest.js
@@ -1240,6 +1240,10 @@ describe("Zotero.DB", function () {
 			await IOUtils.move(targetPath + '.copy', targetPath);
 			await IOUtils.move(targetPath + '.copy-wal', targetPath + '-wal');
 			await Zotero.Utilities.Internal.subprocess('/bin/ln', ['-s', targetPath, linkPath]);
+			if (!(await IOUtils.exists(linkPath))) {
+				// Filesystem doesn't support symlinks (e.g., CIFS)
+				this.skip();
+			}
 
 			let db2 = new Zotero.DBConnection(linkPath);
 			assert.isTrue(await db2._downgradeDatabaseFromWAL(linkPath));
diff --git a/test/tests/fileTest.js b/test/tests/fileTest.js
index e5d877807f..9639a7fb7f 100644
--- a/test/tests/fileTest.js
+++ b/test/tests/fileTest.js
@@ -326,7 +326,16 @@ describe("Zotero.File", function () {
 			var tmpPath = await getTempDirectory();
 			var destPath = OS.Path.join(tmpPath, 'missing');
 			var linkPath = OS.Path.join(tmpPath, 'link');
-			await OS.File.unixSymLink(destPath, linkPath);
+			var isSymlink = false;
+			try {
+				await OS.File.unixSymLink(destPath, linkPath);
+				isSymlink = Zotero.File.pathToFile(linkPath).isSymlink();
+			}
+			catch (e) {}
+			if (!isSymlink) {
+				// Symlink couldn't be created or isn't visible as one (e.g., on CIFS)
+				this.skip();
+			}
 			
 			assert.throws(() => Zotero.File.createDirectoryIfMissing(linkPath), /^Broken symlink/);
 		});
@@ -341,7 +350,16 @@ describe("Zotero.File", function () {
 			var tmpPath = await getTempDirectory();
 			var destPath = OS.Path.join(tmpPath, 'missing');
 			var linkPath = OS.Path.join(tmpPath, 'link');
-			await OS.File.unixSymLink(destPath, linkPath);
+			var isSymlink = false;
+			try {
+				await OS.File.unixSymLink(destPath, linkPath);
+				isSymlink = Zotero.File.pathToFile(linkPath).isSymlink();
+			}
+			catch (e) {}
+			if (!isSymlink) {
+				// Symlink couldn't be created or isn't visible as one (e.g., on CIFS)
+				this.skip();
+			}
 			
 			var e = await getPromiseError(Zotero.File.createDirectoryIfMissingAsync(linkPath));
 			assert.ok(e);