Bug 1845017 - Disable the TestPHCExhaustion test r=glandium

Differential Revision: https://phabricator.services.mozilla.com/D184666

memory/replace/phc/test/gtest/TestPHC.cpp

@@ -331,6 +331,9 @@ TEST(PHC, TestPHCDisabling)
 
 TEST(PHC, TestPHCExhaustion)
 {
+  // This test is disabled for now, see Bug 1845017 and Bug 1845655.
+  GTEST_SKIP();
+
   // PHC hardcodes the amount of allocations to track.
 #if defined(XP_MACOSX) && defined(__aarch64__)
   const unsigned NUM_ALLOCATIONS = 1024;