Fix testPlatformFilter

Author: Silic0nS0ldier

src/test/java/com/google/devtools/build/lib/exec/BUILD

@@ -45,6 +45,7 @@ java_library(
         "//src/main/java/com/google/devtools/build/lib/analysis:config/invalid_configuration_exception",
         "//src/main/java/com/google/devtools/build/lib/analysis:configured_target",
         "//src/main/java/com/google/devtools/build/lib/analysis:server_directories",
+        "//src/main/java/com/google/devtools/build/lib/analysis/platform",
         "//src/main/java/com/google/devtools/build/lib/bazel/rules/python",
         "//src/main/java/com/google/devtools/build/lib/buildeventstream/proto:build_event_stream_java_proto",
         "//src/main/java/com/google/devtools/build/lib/clock",

src/test/java/com/google/devtools/build/lib/exec/SpawnStrategyRegistryTest.java

@@ -28,6 +28,7 @@
 import com.google.devtools.build.lib.actions.Spawn;
 import com.google.devtools.build.lib.actions.SpawnResult;
 import com.google.devtools.build.lib.actions.SpawnStrategy;
+import com.google.devtools.build.lib.analysis.platform.PlatformInfo;
 import com.google.devtools.build.lib.cmdline.Label;
 import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
 import com.google.devtools.build.lib.collect.nestedset.Order;
@@ -309,7 +310,7 @@ public void testPlatformFilter() throws Exception {
         SpawnStrategyRegistry.builder()
             .registerStrategy(strategy1, "foo")
             .registerStrategy(strategy2, "bar")
-            .addExecPlatformFilter(Label.parseCanonical("//:dummy_platform"), ImmutableList.of("foo"))
+            .addExecPlatformFilter(PlatformInfo.EMPTY_PLATFORM_INFO.label(), ImmutableList.of("foo"))
             .build();
 
     assertThat(