Fix r4_kind unit tests #139

Job	Run time
build (--disable-openmp, --with-yaml, --enable-deprecated-io)	10m 28s
build (--disable-openmp, --with-yaml, --disable-deprecated-io)	10m 34s
build (--disable-openmp, --enable-test-input=/home/unit_tests_input, --enable-deprecated-io)	10m 33s
build (--disable-openmp, --enable-test-input=/home/unit_tests_input, --disable-deprecated-io)	10m 33s
build (--enable-mixed-mode, --with-yaml, --enable-deprecated-io)	10m 34s
build (--enable-mixed-mode, --with-yaml, --disable-deprecated-io)	10m 34s
build (--enable-mixed-mode, --enable-test-input=/home/unit_tests_input, --enable-deprecated-io)	10m 31s
build (--enable-mixed-mode, --enable-test-input=/home/unit_tests_input, --disable-deprecated-io)	10m 32s
build (--disable-setting-flags, --with-yaml, --enable-deprecated-io)	10m 30s
build (--disable-setting-flags, --with-yaml, --disable-deprecated-io)	10m 33s
build (--disable-setting-flags, --enable-test-input=/home/unit_tests_input, --enable-deprecated-io)	10m 32s
build (--disable-setting-flags, --enable-test-input=/home/unit_tests_input, --disable-deprecated-io)	10m 34s
build (--with-mpi=no, --with-yaml, --enable-deprecated-io)	4m 19s
build (--with-mpi=no, --with-yaml, --disable-deprecated-io)	5m 10s
build (--with-mpi=no, --enable-test-input=/home/unit_tests_input, --enable-deprecated-io)	6m 1s
build (--with-mpi=no, --enable-test-input=/home/unit_tests_input, --disable-deprecated-io)	4m 51s
	2h 26m 49s

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