Re-enable test_connection tests

Re-enable the TestGerritConnection and TestConnections test cases.

Change-Id: I23c12b23546102212990b2dca7369741efa990b6
diff --git a/tests/fixtures/config/zuul-connections-same-gerrit/git/common-config/zuul.yaml b/tests/fixtures/config/zuul-connections-same-gerrit/git/common-config/zuul.yaml
new file mode 100644
index 0000000..114a4a3
--- /dev/null
+++ b/tests/fixtures/config/zuul-connections-same-gerrit/git/common-config/zuul.yaml
@@ -0,0 +1,26 @@
+- pipeline:
+    name: check
+    manager: independent
+    source: review_gerrit
+    trigger:
+      review_gerrit:
+        - event: patchset-created
+    success:
+      review_gerrit:
+        verified: 1
+    failure:
+      alt_voting_gerrit:
+        verified: -1
+
+- job:
+    name: project-test1
+
+- job:
+    name: project-test2
+
+- project:
+    name: org/project
+    check:
+      jobs:
+        - project-test1
+        - project-test2
diff --git a/tests/fixtures/config/zuul-connections-same-gerrit/git/org_project/README b/tests/fixtures/config/zuul-connections-same-gerrit/git/org_project/README
new file mode 100644
index 0000000..9daeafb
--- /dev/null
+++ b/tests/fixtures/config/zuul-connections-same-gerrit/git/org_project/README
@@ -0,0 +1 @@
+test
diff --git a/tests/fixtures/config/zuul-connections-same-gerrit/main.yaml b/tests/fixtures/config/zuul-connections-same-gerrit/main.yaml
new file mode 100644
index 0000000..90297fb
--- /dev/null
+++ b/tests/fixtures/config/zuul-connections-same-gerrit/main.yaml
@@ -0,0 +1,8 @@
+- tenant:
+    name: tenant-one
+    source:
+      review_gerrit:
+        config-repos:
+          - common-config
+        project-repos:
+          - org/project