Bug 1826756 - Make mfbt/tests/gtest buildable outside of a unified build environment r=andi

Differential Revision: https://phabricator.services.mozilla.com/D174881

mfbt/tests/gtest/TestSpan.cpp

@@ -19,6 +19,7 @@
 
 #include "gtest/gtest.h"
 
+#include "mozilla/Array.h"
 #include "mozilla/Span.h"
 
 #include "nsString.h"

mfbt/tests/gtest/TestTainting.cpp

@@ -7,6 +7,7 @@
 #include "gtest/gtest.h"
 #include <math.h>
 
+#include "mozilla/Array.h"
 #include "mozilla/Assertions.h"
 #include "mozilla/Range.h"
 #include "mozilla/Tainting.h"

mfbt/tests/gtest/moz.build

@@ -30,5 +30,3 @@ if not CONFIG["MOZILLA_OFFICIAL"]:
 # ]
 
 FINAL_LIBRARY = "xul-gtest"
-
-REQUIRES_UNIFIED_BUILD = True