a few more small tweaks

unittest/formats/test_atom_styles.cpp

@@ -28,6 +28,7 @@
 #include <cmath>
 #include <cstdio>
 #include <cstring>
+#include <vector>
 #include <mpi.h>
 
 #if !defined(_FORTIFY_SOURCE) || (_FORTIFY_SOURCE == 0)

unittest/formats/test_pair_unit_convert.cpp

@@ -15,17 +15,15 @@
 #include "force.h"
 #include "info.h"
 #include "input.h"
-#include "lammps.h"
 #include "output.h"
 #include "pair.h"
 #include "thermo.h"
-#include "utils.h"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 
-#include <cstdio>
+#include <cmath>
 #include <cstring>
-#include <mpi.h>
+#include <vector>
 
 // whether to print verbose output (i.e. not capturing LAMMPS screen output).
 bool verbose = false;

unittest/formats/test_potential_file_reader.cpp

@@ -13,7 +13,6 @@
 
 #include "MANYBODY/pair_comb.h"
 #include "MANYBODY/pair_comb3.h"
-#include "MANYBODY/pair_eim.h"
 #include "MANYBODY/pair_gw.h"
 #include "MANYBODY/pair_gw_zbl.h"
 #include "MANYBODY/pair_nb3b_harmonic.h"
@@ -26,13 +25,13 @@
 #include "USER-MISC/pair_tersoff_table.h"
 #include "info.h"
 #include "input.h"
-#include "lammps.h"
 #include "potential_file_reader.h"
-#include "utils.h"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 
 #include <cstring>
+#include <iostream>
+#include <vector>
 #include <mpi.h>
 
 #if defined(OMPI_MAJOR_VERSION)