Exclude unit tests from fuzzing builds

Needed to exclude unrelated GTest source files and headers from the coverage report

Author: kyakdan

src/explore_me/complex_checks_test.cpp

@@ -1,9 +1,11 @@
 #include <cifuzz/cifuzz.h>
 #include <fuzzer/FuzzedDataProvider.h>
-#include <gtest/gtest.h>
 
 #include "explore_me.h"
 
+#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
+#include <gtest/gtest.h>
+
 TEST(ExploreComplexChecksTests, DeveloperTest) {
   EXPECT_NO_THROW(ExploreComplexChecks(0, 10, "Developer"));
 }
@@ -12,6 +14,8 @@ TEST(ExploreComplexChecksTests, MaintainerTest) {
   EXPECT_NO_THROW(ExploreComplexChecks(20, -10, "Maintainer"));
 }
 
+#endif
+
 FUZZ_TEST(const uint8_t *data, size_t size) {
   FuzzedDataProvider fdp(data, size);
   long a = fdp.ConsumeIntegral<long>();

src/explore_me/simple_checks_test.cpp

@@ -1,9 +1,11 @@
 #include <cifuzz/cifuzz.h>
 #include <fuzzer/FuzzedDataProvider.h>
-#include <gtest/gtest.h>
 
 #include "explore_me.h"
 
+#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
+#include <gtest/gtest.h>
+
 TEST(ExploreSimpleChecksTests, DeveloperTest) {
   EXPECT_NO_THROW(ExploreSimpleChecks(0, 10, "Developer"));
 }
@@ -12,6 +14,8 @@ TEST(ExploreSimpleChecksTests, MaintainerTest) {
   EXPECT_NO_THROW(ExploreSimpleChecks(20, -10, "Maintainer"));
 }
 
+#endif
+
 FUZZ_TEST(const uint8_t *data, size_t size) {
   FuzzedDataProvider fdp(data, size);
   int a = fdp.ConsumeIntegral<int>();