[BEAM-8204][BEAM-8205] Exclude AvroSchemaTest for Apex and Flink runner for now

runners/apex/build.gradle

@@ -98,6 +98,12 @@ task validatesRunnerBatch(type: Test) {
     excludeCategories 'org.apache.beam.sdk.testing.UsesMetricsPusher'
     excludeCategories 'org.apache.beam.sdk.testing.UsesUnboundedSplittableParDo'
     excludeCategories 'org.apache.beam.sdk.testing.UsesUnboundedPCollections'
+    // TODO[BEAM-8204]: figure out if we can make the test work on Apex runner, or maybe create a
+    // more meaningful category tag.
+    excludeCategories 'org.apache.beam.sdk.testing.UsesSideInputsWithDifferentCoders'
+    // TODO[BEAM-8204]: figure out if we can make the test work on Apex runner, or maybe create a
+    // new category tag and change the following line to: excludeCategories '<category tag>'.
+    exclude '**/AvroSchemaTest.class'
   }
 
   // apex runner is run in embedded mode. Increase default HeapSize

runners/flink/flink_runner.gradle

@@ -173,6 +173,9 @@ def createValidatesRunnerTask(Map m) {
         excludeCategories 'org.apache.beam.sdk.testing.UsesUnboundedSplittableParDo'
         excludeCategories 'org.apache.beam.sdk.testing.UsesTestStream'
       }
+      // TODO[BEAM-8205]: figure out if we can make the test work on Flink runner, or maybe create a
+      // new category tag and change the following line to: excludeCategories '<category tag>'.
+      exclude '**/AvroSchemaTest.class'
     }
   }
 }

sdks/java/core/src/main/java/org/apache/beam/sdk/testing/UsesSideInputsWithDifferentCoders.java

@@ -0,0 +1,21 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.beam.sdk.testing;
+
+/** Category tag for validation tests which use multiple side inputs with different coders. */
+public interface UsesSideInputsWithDifferentCoders {}

sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoTest.java

@@ -82,6 +82,7 @@
 import org.apache.beam.sdk.testing.UsesMapState;
 import org.apache.beam.sdk.testing.UsesSetState;
 import org.apache.beam.sdk.testing.UsesSideInputs;
+import org.apache.beam.sdk.testing.UsesSideInputsWithDifferentCoders;
 import org.apache.beam.sdk.testing.UsesStatefulParDo;
 import org.apache.beam.sdk.testing.UsesTestStream;
 import org.apache.beam.sdk.testing.UsesTestStreamWithProcessingTime;
@@ -919,7 +920,11 @@ public void processElement(
     }
 
     @Test
-    @Category({ValidatesRunner.class, UsesSideInputs.class})
+    @Category({
+      ValidatesRunner.class,
+      UsesSideInputs.class,
+      UsesSideInputsWithDifferentCoders.class
+    })
     public void testSideInputAnnotationWithMultipleSideInputs() {
 
       final List<Integer> side1Data = ImmutableList.of(2, 0);