test: Copy all DLLs strictly after compiling

If libunwind.dll is copied before linking, linking will find
libunwind.dll sooner than libunwind.dll.a. The latter contains
"#_Unwind_Resume", while the DLL doesn't contain such a symbol.

Author: mstorsjo

run-tests.sh

@@ -227,6 +227,7 @@ for arch in $ARCHS; do
     mkdir -p $TEST_DIR
     cd $TEST_DIR
     $MAKE -f ../Makefile ARCH=$arch HAVE_UWP=$HAVE_UWP HAVE_CFGUARD=$HAVE_CFGUARD HAVE_ASAN=$HAVE_ASAN HAVE_UBSAN=$HAVE_UBSAN HAVE_OPENMP=$HAVE_OPENMP NATIVE=$NATIVE RUNTIMES_SRC=$PREFIX/$arch-w64-mingw32/bin clean
+    $MAKE -f ../Makefile ARCH=$arch HAVE_UWP=$HAVE_UWP HAVE_CFGUARD=$HAVE_CFGUARD HAVE_ASAN=$HAVE_ASAN HAVE_UBSAN=$HAVE_UBSAN HAVE_OPENMP=$HAVE_OPENMP NATIVE=$NATIVE RUNTIMES_SRC=$PREFIX/$arch-w64-mingw32/bin RUN="$RUN" $COPYARG $MAKEOPTS -j$CORES
     $MAKE -f ../Makefile ARCH=$arch HAVE_UWP=$HAVE_UWP HAVE_CFGUARD=$HAVE_CFGUARD HAVE_ASAN=$HAVE_ASAN HAVE_UBSAN=$HAVE_UBSAN HAVE_OPENMP=$HAVE_OPENMP NATIVE=$NATIVE RUNTIMES_SRC=$PREFIX/$arch-w64-mingw32/bin RUN="$RUN" $COPYARG $MAKEOPTS -j$CORES $TARGET
     cd ..
 done

test/Makefile

@@ -264,8 +264,6 @@ LOCAL_RUNTIMES = $(patsubst $(RUNTIMES_SRC)/%, %, $(wildcard $(addprefix $(RUNTI
 $(LOCAL_RUNTIMES): %$(DLLEXT): $(RUNTIMES_SRC)/%$(DLLEXT)
 	cp -a $< $@
 	$(COPY_TARGET)
-
-all: $(LOCAL_RUNTIMES)
 endif
 
 TESTS = $(filter-out %$(DLLEXT), $(TARGETS))