diff --git a/firestore/tests/system/test_system.py b/firestore/tests/system/test_system.py
index f2d30c94a171..5eed86c81ece 100644
--- a/firestore/tests/system/test_system.py
+++ b/firestore/tests/system/test_system.py
@@ -31,6 +31,7 @@
 from google.cloud._helpers import UTC
 from google.cloud import firestore_v1 as firestore
 from test_utils.system import unique_resource_id
+from test_utils.system import EmulatorCreds
 
 from time import sleep
 
@@ -40,12 +41,21 @@
 MISSING_DOCUMENT = "No document to update: "
 DOCUMENT_EXISTS = "Document already exists: "
 UNIQUE_RESOURCE_ID = unique_resource_id("-")
+FIRESTORE_EMULATOR_HOST = "FIRESTORE_EMULATOR_HOST"
+
+IN_EMULATOR = os.getenv(FIRESTORE_EMULATOR_HOST) is not None
 
 
 @pytest.fixture(scope=u"module")
 def client():
-    credentials = service_account.Credentials.from_service_account_file(FIRESTORE_CREDS)
-    project = FIRESTORE_PROJECT or credentials.project_id
+    if IN_EMULATOR:
+        credentials = EmulatorCreds()
+        project = "emulatorproject"
+    else:
+        credentials = service_account.Credentials.from_service_account_file(
+            FIRESTORE_CREDS
+        )
+        project = FIRESTORE_PROJECT or credentials.project_id
     yield firestore.Client(project=project, credentials=credentials)
 
 
@@ -126,6 +136,7 @@ def test_create_document_w_subcollection(client, cleanup):
     assert sorted(child.id for child in children) == sorted(child_ids)
 
 
+@pytest.mark.skipif(IN_EMULATOR, reason="Internal Issue b/137866686")
 def test_cannot_use_foreign_key(client, cleanup):
     document_id = "cannot" + UNIQUE_RESOURCE_ID
     document = client.document("foreign-key", document_id)
@@ -280,6 +291,7 @@ def test_document_update_w_int_field(client, cleanup):
     assert snapshot1.to_dict() == expected
 
 
+@pytest.mark.skipif(IN_EMULATOR, reason="Internal Issue b/137867104")
 def test_update_document(client, cleanup):
     document_id = "for-update" + UNIQUE_RESOURCE_ID
     document = client.document("made", document_id)
@@ -806,6 +818,7 @@ def test_collection_group_queries_filters(client, cleanup):
     assert found == set(["cg-doc2"])
 
 
+@pytest.mark.skipif(IN_EMULATOR, reason="Internal Issue b/137865992")
 def test_get_all(client, cleanup):
     collection_name = "get-all" + UNIQUE_RESOURCE_ID