Port SQLAlchemy reporter to v3 driver structure

This completes the merge from master and re-enables the sqlalchemy
driver tests.

Change-Id: I8e6effb3f0052343d5c6c80e9edaa2a9ff360b4d

tests/fixtures/config/sql-driver/git/common-config/playbooks/project-merge.yaml

@@ -0,0 +1,2 @@
+- hosts: all
+  tasks: []

tests/fixtures/config/sql-driver/git/common-config/playbooks/project-test1.yaml

@@ -0,0 +1,2 @@
+- hosts: all
+  tasks: []

tests/fixtures/config/sql-driver/git/common-config/playbooks/project-test2.yaml

@@ -0,0 +1,2 @@
+- hosts: all
+  tasks: []

tests/fixtures/config/sql-driver/git/common-config/zuul.yaml

@@ -0,0 +1,38 @@
+- pipeline:
+    name: check
+    manager: independent
+    source: gerrit
+    trigger:
+      gerrit:
+        - event: patchset-created
+    success:
+      gerrit:
+        verified: 1
+      resultsdb:
+        score: 1
+    failure:
+      gerrit:
+        verified: -1
+      resultsdb:
+        score: -1
+      resultsdb_failures:
+        score: -1
+
+- job:
+    name: project-merge
+
+- job:
+    name: project-test1
+
+- job:
+    name: project-test2
+
+- project:
+    name: org/project
+    check:
+      jobs:
+        - project-merge
+        - project-test1:
+            dependencies: project-merge
+        - project-test2:
+            dependencies: project-merge

tests/fixtures/config/sql-driver/git/org_project/README

@@ -0,0 +1 @@
+test

tests/fixtures/config/sql-driver/main.yaml

@@ -0,0 +1,8 @@
+- tenant:
+    name: tenant-one
+    source:
+      gerrit:
+        config-repos:
+          - common-config
+        project-repos:
+          - org/project