Give folly/symbolizer an explicit main function

Summary: Don't automatically generate the main function for this test.

Reviewed By: @Gownta

Differential Revision: D2375814

folly/experimental/symbolizer/test/SignalHandlerTest.cpp

@@ -76,3 +76,10 @@ TEST(SignalHandler, Simple) {
 
 
 }}}  // namespaces
+
+// Can't use initFacebookLight since that would install its own signal handlers
+// Can't use initFacebookNoSignals since we cannot depend on common
+int main(int argc, char** argv) {
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}

folly/experimental/symbolizer/test/SymbolizerTest.cpp

@@ -116,3 +116,10 @@ TEST_F(ElfCacheTest, SignalSafeElfCache) {
 }
 
 }}}  // namespaces
+
+// Can't use initFacebookLight since that would install its own signal handlers
+// Can't use initFacebookNoSignals since we cannot depend on common
+int main(int argc, char** argv) {
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}