Remove @Ignore annotations from test support classes

At the bazel level treat only *Test.java classes as test classes and
build the rest of the classes under src/test/java/** as a java_library.

Change-Id: I10e418a09892da9700fa1f1a135ebab37e08ab95

BUILD

diff --git a/BUILD b/BUILD
index d2d5e7d..01d9a2f 100644
--- a/BUILD
+++ b/BUILD
@@ -24,15 +24,28 @@
 
 junit_tests(
     name = "spanner-refdb_tests",
-    srcs = glob(["src/test/java/**/*.java"]),
+    srcs = glob(["src/test/java/**/*Test.java"]),
     resources = glob(["src/main/resources/**/*"]),
     tags = ["spanner-refdb"],
     deps = [
+        ":spanner-refdb_test_util",
         ":spanner-refdb__plugin_test_deps",
     ],
 )
 
 java_library(
+    name = "spanner-refdb_test_util",
+    testonly = True,
+    srcs = glob(
+        ["src/test/java/**/*.java"],
+        exclude = ["src/test/java/**/*Test.java"],
+    ),
+    deps = [
+        ":spanner-refdb__plugin_test_deps",
+    ]
+)
+
+java_library(
     name = "spanner-refdb__plugin_test_deps",
     testonly = 1,
     visibility = ["//visibility:public"],

src/test/java/com/googlesource/gerrit/plugins/spannerrefdb/EmulatedSpannerRefDb.java

diff --git a/src/test/java/com/googlesource/gerrit/plugins/spannerrefdb/EmulatedSpannerRefDb.java b/src/test/java/com/googlesource/gerrit/plugins/spannerrefdb/EmulatedSpannerRefDb.java
index 20d6973..5ecfcc7 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/spannerrefdb/EmulatedSpannerRefDb.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/spannerrefdb/EmulatedSpannerRefDb.java
@@ -30,11 +30,9 @@
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
-import org.junit.Ignore;
 import org.testcontainers.containers.SpannerEmulatorContainer;
 import org.testcontainers.utility.DockerImageName;
 
-@Ignore
 public class EmulatedSpannerRefDb extends SpannerTestSystem {
   public static final String PROJECT_ID = "test";
   public static final String SPANNER_INSTANCE_ID = "spanner-instance";

src/test/java/com/googlesource/gerrit/plugins/spannerrefdb/RealSpannerRefDb.java

diff --git a/src/test/java/com/googlesource/gerrit/plugins/spannerrefdb/RealSpannerRefDb.java b/src/test/java/com/googlesource/gerrit/plugins/spannerrefdb/RealSpannerRefDb.java
index 01f34db..499ac57 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/spannerrefdb/RealSpannerRefDb.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/spannerrefdb/RealSpannerRefDb.java
@@ -28,9 +28,7 @@
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
-import org.junit.Ignore;
 
-@Ignore
 public class RealSpannerRefDb extends SpannerTestSystem {
 
   private static RealSpannerRefDb INSTANCE;

src/test/java/com/googlesource/gerrit/plugins/spannerrefdb/RefFixture.java

diff --git a/src/test/java/com/googlesource/gerrit/plugins/spannerrefdb/RefFixture.java b/src/test/java/com/googlesource/gerrit/plugins/spannerrefdb/RefFixture.java
index 67e8428..9a0e816 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/spannerrefdb/RefFixture.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/spannerrefdb/RefFixture.java
@@ -19,9 +19,7 @@
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.lib.ObjectIdRef;
 import org.eclipse.jgit.lib.Ref;
-import org.junit.Ignore;
 
-@Ignore
 public interface RefFixture {
   static final String PROJECT_NAME = "A_TEST_PROJECT_NAME";
   static final Project.NameKey PROJECT_NAME_KEY = Project.nameKey(PROJECT_NAME);

src/test/java/com/googlesource/gerrit/plugins/spannerrefdb/SpannerTestSystem.java

diff --git a/src/test/java/com/googlesource/gerrit/plugins/spannerrefdb/SpannerTestSystem.java b/src/test/java/com/googlesource/gerrit/plugins/spannerrefdb/SpannerTestSystem.java
index 5b2d6e6..3eb6d0c 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/spannerrefdb/SpannerTestSystem.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/spannerrefdb/SpannerTestSystem.java
@@ -15,9 +15,7 @@
 package com.googlesource.gerrit.plugins.spannerrefdb;
 
 import com.google.cloud.spanner.DatabaseClient;
-import org.junit.Ignore;
 
-@Ignore
 public abstract class SpannerTestSystem {
 
   public static SpannerTestSystem create() throws Exception {