diff --git a/tools/api-tester/tests/delete.js b/tools/api-tester/tests/delete.js
index 3e27e9ff..5acb8189 100644
--- a/tools/api-tester/tests/delete.js
+++ b/tools/api-tester/tests/delete.js
@@ -45,7 +45,7 @@ module.exports = {
             try {
                 await t.delete('test_delete_dir');
             } catch (e) {
-                expect(e.response.status).equal(400);
+                expect(e.response.status).equal(422);
                 threw = true;
             }
             expect(threw).true;
diff --git a/tools/api-tester/tests/fsentry.js b/tools/api-tester/tests/fsentry.js
index b4097e2e..a13e9c41 100644
--- a/tools/api-tester/tests/fsentry.js
+++ b/tools/api-tester/tests/fsentry.js
@@ -41,6 +41,12 @@ const verify_fsentry = async (t, o) => {
             expect(typeof o.uid).equal('string');
         });
         for ( const k of _bitBooleans ) {
+            if ( k === 'is_dir' ) {
+                await t.case(`is_dir is true or false`, () => {
+                    expect(o[k]).oneOf([true, false], `${k} should be true or false`);
+                });
+                continue;
+            }
             await t.case(`${k} is 0 or 1`, () => {
                 expect(o[k]).oneOf([0, 1], `${k} should be 0 or 1`);
             });
diff --git a/tools/api-tester/tests/write_and_read.js b/tools/api-tester/tests/write_and_read.js
index 82dfdca3..0a434b70 100644
--- a/tools/api-tester/tests/write_and_read.js
+++ b/tools/api-tester/tests/write_and_read.js
@@ -60,7 +60,10 @@ module.exports = {
                 await t.read('i-do-not-exist.txt');
             } catch (e) {
                 expect(e.response.status).equal(404);
-                expect(e.response.data).deep.equal({ message: 'Path not found.' });
+                expect(e.response.data).deep.equal({
+                    message: 'File or directory not found.',
+                    code: 'subject_does_not_exist',
+                });
                 threw = true;
             }
             expect(threw).true;