Create new android-test-beta build (#16814)

taskcluster/ci/build/kind.yml

@@ -54,6 +54,15 @@ jobs:
         treeherder:
             symbol: debug(B)
 
+    beta-firebase:
+        disable-optimization: true
+        run-on-tasks-for: [github-push] # We want this on push so that we detect problem before triggering a new beta
+        run:
+            gradle-build-type: beta
+            test-build-type: beta
+        treeherder:
+            symbol: beta(Bf)
+
     android-test-debug:
         attributes:
             code-review: true
@@ -66,10 +75,10 @@ jobs:
         treeherder:
             symbol: debug(Bat)
 
-    # android-test-nightly, while still being a debug build, is meant to be signed with the nightly
-    # key. The Firebase testing infrastructure requires both the androidTest APK and the APK under
-    # test to be signed with the same key. Thus, the nightly APK being signed with nightly means
-    # we need an androidTest APK with the same signature.
+    # android-test-nightly and android-test-beta, while still being debug builds, are meant to be signed
+    # with the nightly/beta key. The Firebase testing infrastructure requires both the androidTest APK
+    # and the APK under test to be signed with the same key. Thus, the nightly APK being signed with
+    # nightly means we need an androidTest APK with the same signature.
     #
     # TODO: See if we can tweak the signing kind to make 2 signing jobs out of a single `android-test`
     # job.
@@ -79,11 +88,28 @@ jobs:
         run:
             gradle-build-type: androidTest
         apk-artifact-template:
-            # 2 differences here: "androidTest/" is added and "{gradle_build_type}" is forced to "debug"
+            # 2 differences here:
+            #  * "androidTest/" is added
+            #  * "{gradle_build_type}" is forced to "debug"
             path: '/builds/worker/checkouts/src/app/build/outputs/apk/androidTest/debug/{fileName}'
         treeherder:
             symbol: nightly(Bat)
 
+    android-test-beta:
+        apk-artifact-template:
+            # 3 differences here:
+            #  * "androidTest/" is added
+            #  * "{gradle_build_type}" is forced to "beta"
+            #  * "{fileName}" is forced to "app-beta-androidTest.apk"
+            path: '/builds/worker/checkouts/src/app/build/outputs/apk/androidTest/beta/app-beta-androidTest.apk'
+        disable-optimization: true
+        run:
+            gradle-build-type: androidTest
+            test-build-type: beta
+        run-on-tasks-for: [github-push] # We want this on push so that we detect problem before triggering a new beta
+        treeherder:
+            symbol: beta(Bat)
+
     nightly-simulation:
         attributes:
             nightly: false

taskcluster/ci/signing/kind.yml

@@ -28,16 +28,12 @@ job-template:
     worker:
         signing-type:
             by-build-type:
-                (beta|release):
+                (beta|release|android-test-beta):
                     by-level:
                         '3': fennec-production-signing
                         default: dep-signing
-                android-test-nightly:
-                    by-level:
-                        '3': production-signing
-                        default: dep-signing
                 performance-test: dep-signing
-                nightly:
+                (nightly|android-test-nightly):
                     by-level:
                         '3': production-signing
                         default: dep-signing
@@ -52,12 +48,14 @@ job-template:
         by-build-type:
             # No test job runs on push against this build type. Although we do want nightly-simulation
             # signed to use it in the gecko trees.
-            nightly-simulation: [github-push]
+            # We want beta on push so that we detect problem before shipping it
+            (nightly-simulation|beta-firebase|android-test-beta): [github-push]
             default: []
     treeherder:
         job-symbol:
             by-build-type:
                 android-test.+: Bats
+                beta-firebase: Bfs
                 default: Bs
         kind: build
         platform: android-all/opt

taskcluster/fenix_taskgraph/transforms/build.py

@@ -77,6 +77,24 @@ def build_gradle_command(config, tasks):
 
         yield task
 
+@transforms.add
+def add_test_build_type(config, tasks):
+    for task in tasks:
+        test_build_type = task["run"].pop("test-build-type", "")
+        if test_build_type:
+            task["run"]["gradlew"].append(
+                "-PtestBuildType={}".format(test_build_type)
+            )
+        yield task
+
+
+@transforms.add
+def add_disable_optimization(config, tasks):
+    for task in tasks:
+        if task.pop("disable-optimization", False):
+            task["run"]["gradlew"].append("-PdisableOptimization")
+        yield task
+
 
 @transforms.add
 def add_nightly_version(config, tasks):