gTest: Silent test failures if the test environment setup hits an exception

If the test environment setup fails Qt Creator completely ignores/skips the affected tests (so real failures can be easily missed because of this). A small example:

#include <gtest.h>
#include <exception>

class TestEnvironment : public testing::Environment {
{{ void SetUp() override { throw std::exception(); }}}
};

TEST(Foo, Dummy) {
}

int main(int argc, char *argv[]) {
 testing::InitGoogleTest(&argc, argv);
 testing::AddGlobalTestEnvironment(new TestEnvironment);
 return RUN_ALL_TESTS();
}

Regarding the reliance on parsing the output from gtest, this paragraph from the google test documentation is very relevant:

"Important: You must not ignore the return value of RUN_ALL_TESTS(), or gcc will give you a compiler error. The rationale for this design is that the automated testing service determines whether a test has passed based on its exit code, not on its stdout/stderr output; thus your main() function must return the value of RUN_ALL_TESTS()."