diff --git a/.github/workflows/unittests.yml b/.github/workflows/unittests.yml
new file mode 100644
index 0000000..d7c94b2
--- /dev/null
+++ b/.github/workflows/unittests.yml
@@ -0,0 +1,28 @@
+on: [ push, pull_request ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.9
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install sly coverage regex pytest
+
+      - name: Test with coverage/pytest
+        run: |
+          coverage run -m pytest tests
+
+      - name: Coveralls
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          pip install --upgrade coveralls
+          coveralls --service=github
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 5ebec80..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,17 +0,0 @@
-language: python
-
-
-python:
-  - "3.6"
-  - "3.7"
-  - "3.8"
-
-install:
-  - pip install sly regex coverage coveralls
-  - git clone https://github.com/spyoungtech/json5-tests.git
-
-script:
-  - coverage run -m pytest tests
-
-after_success:
-  - coveralls
diff --git a/json5/dumper.py b/json5/dumper.py
index ee2b340..f8b98f7 100644
--- a/json5/dumper.py
+++ b/json5/dumper.py
@@ -1,3 +1,4 @@
+from .loader import JsonIdentifier
 from .utils import singledispatchmethod
 from json5.model import *
 from collections import UserDict
@@ -80,24 +81,26 @@ def dict_to_json(self, d):
     @to_json(int)
     def int_to_json(self, i):
         self.env.write(str(i), indent=0)
-    
+
+    @to_json(JsonIdentifier)
+    def identifier_to_json(self, s):
+        if isinstance(s, JsonIdentifier):
+            quote_char = None
+        elif "'" in s:
+            quote_char = '"'
+        else:
+            quote_char = "'"
+
+        if quote_char:
+            self.env.write(quote_char, indent=0)
+        self.env.write(s, indent=0)
+        if quote_char:
+            self.env.write(quote_char, indent=0)
     
     @to_json(str)
     def str_to_json(self, s):
         self.env.write(json.dumps(s), indent=0)
-        # if isinstance(s, JsonIdentifier):
-        #     quote_char = None
-        # elif "'" in s:
-        #     quote_char = '"'
-        # else:
-        #     quote_char = "'"
-        #
-        # if quote_char:
-        #     self.env.write(quote_char, indent=0)
-        # self.env.write(s, indent=0)
-        # if quote_char:
-        #     self.env.write(quote_char, indent=0)
-    
+
     
     @to_json(list)
     def list_to_json(self, l):
diff --git a/tests/test_json5_official_tests.py b/tests/test_json5_official_tests.py
index a359fd3..bc4e978 100644
--- a/tests/test_json5_official_tests.py
+++ b/tests/test_json5_official_tests.py
@@ -27,7 +27,15 @@ def test_official_files(fp):
     load(open(fp, encoding='utf-8'))
 
 @pytest.mark.parametrize('fp', specs)
-def test_official_files_rt(fp):
+def test_official_files_rt_dumps_no_error(fp):
+    if not os.path.exists(tests_path):
+        pytest.mark.skip("Tests repo was not present in expected location. Skipping.")
+    with open(fp, encoding='utf-8') as f:
+        json_string = f.read()
+    dumps(loads(json_string))
+
+@pytest.mark.parametrize('fp', specs)
+def test_official_files_rt_model(fp):
     if not os.path.exists(tests_path):
         pytest.mark.skip("Tests repo was not present in expected location. Skipping.")
     with open(fp, encoding='utf-8') as f: