drive: fix tests for backend query command

The tests assumed that there would be only one match, but on the
integration test server there are multiple matches due to failed test
runs.

backend/drive/drive_internal_test.go

@@ -551,9 +551,11 @@ func (f *Fs) InternalTestQuery(t *testing.T) {
 
 			results, err := f.query(ctx, fmt.Sprintf("%strashed=false and name='%s'", parent, escapedItem))
 			require.NoError(t, err)
-			require.Len(t, results, 1)
-			assert.Len(t, results[0].Id, 33)
-			assert.Equal(t, results[0].Name, item)
+			require.True(t, len(results) > 0)
+			for _, result := range results {
+				assert.True(t, len(result.Id) > 0)
+				assert.Equal(t, result.Name, item)
+			}
 			parent = fmt.Sprintf("'%s' in parents and ", results[0].Id)
 		}
 	})