[OPENMP] Fixed tests for gcc build.

llvm-svn: 253200
diff --git a/openmp/runtime/test/api/omp_get_wtime.c b/openmp/runtime/test/api/omp_get_wtime.c
index d91312b..51dcd4a 100644
--- a/openmp/runtime/test/api/omp_get_wtime.c
+++ b/openmp/runtime/test/api/omp_get_wtime.c
@@ -9,7 +9,7 @@
   double start;
   double end;
   double measured_time;
-  double wait_time = 1.0; 
+  double wait_time = 5.0; 
   start = 0;
   end = 0;
   start = omp_get_wtime();