diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index e86343df..3ff34fc0 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -18,16 +18,15 @@ on:
 jobs:
   documentation:
     runs-on: ubuntu-latest
-
+    defaults:
+      run:
+        shell: bash -l {0}
     steps:
-      - uses: actions/checkout@v2
-      - uses: conda-incubator/setup-miniconda@v2
+      - uses: actions/checkout@v3
+        uses: mamba-org/provision-with-micromamba@main
         with:
-          python-version: 3.9
-          channels: conda-forge
-          mamba-version: "*"
-          activate-environment: earthaccess-dev
           environment-file: binder/environment-dev.yml
+          activate-name: earthaccess-dev
       - name: Get full python version
         id: full-python-version
         run: echo ::set-output name=version::$(python -c "import sys; print('-'.join(str(v) for v in sys.version_info))")
diff --git a/earthaccess/api.py b/earthaccess/api.py
index dcb73d03..0a07794e 100644
--- a/earthaccess/api.py
+++ b/earthaccess/api.py
@@ -106,7 +106,7 @@ def search_data(
     return query.get_all()
 
 
-def login(strategy: str = "interactive") -> Auth:
+def login(strategy: str = "interactive", persist: bool = False) -> Auth:
     """Authenticate with Earthdata login (https://urs.earthdata.nasa.gov/)
 
     Parameters:
@@ -122,8 +122,9 @@ def login(strategy: str = "interactive") -> Auth:
     Returns:
         an instance of Auth.
     """
-    earthaccess.__auth__.login(strategy=strategy)
-    earthaccess.__store__ = Store(earthaccess.__auth__)
+    earthaccess.__auth__.login(strategy=strategy, persist=persist)
+    if earthaccess.__auth__ is not None:
+        earthaccess.__store__ = Store(earthaccess.__auth__)
     return earthaccess.__auth__
 
 
diff --git a/earthaccess/results.py b/earthaccess/results.py
index 7e8fea9c..8de0590d 100644
--- a/earthaccess/results.py
+++ b/earthaccess/results.py
@@ -257,7 +257,19 @@ def size(self) -> float:
                 ]
             )
         except Exception:
-            total_size = 0
+            try:
+                total_size = sum(
+                    [
+                        float(s["SizeInBytes"])
+                        for s in self[
+                            "umm.DataGranule.ArchiveAndDistributionInformation"
+                        ]
+                        if "ArchiveAndDistributionInformation"
+                        in self["umm"]["DataGranule"]
+                    ]
+                ) / (1024 * 1024)
+            except Exception:
+                total_size = 0
         return total_size
 
     def _derive_s3_link(self, links: List[str]) -> List[str]:
diff --git a/tests/unit/fixtures/.placeholder b/tests/unit/fixtures/.placeholder
new file mode 100644
index 00000000..e69de29b