Resolve "navigation_tests"

Closes #7 (closed)

test/gtest_navigation.cpp

@@ -4,13 +4,12 @@
 
 using namespace GnssUtils;
 std::string   rnx_file = std::string(_GNSS_UTILS_ROOT_DIR) + "/test/data/sample_data.nav";
-nav_t         nav;
 const gtime_t t_start{ 0, 0 };  // no limit
 const gtime_t t_end{ 0, 0 };    // no limit
 const double  dt  = 0.0;        // no limit
 const char*   opt = "";         // only GPS | GPS+GAL: "-SYS=G,L" | ALL: ""
 
-void loadRinex()
+void loadRinex(nav_t& nav)
 {
   int stat = readrnxt(rnx_file.c_str(), 1, t_start, t_end, dt, opt, NULL, &nav, NULL);
 
@@ -20,12 +19,14 @@ void loadRinex()
 
 TEST(NavigationTests, setgetNavigation)
 {
-  loadRinex();
+  nav_t nav;
+  loadRinex(nav);
 
   Navigation navigation;
 
   navigation.setNavigation(nav);
   ASSERT_TRUE(navigation.getNavigation() == nav);
+  Navigation::freeNavArrays(nav);
 }
 
 int main(int argc, char** argv)