tests: Mention test_tpm2_libtpms_versions_profiles requiring env. var…

…iables

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>

tests/Readme.md

@@ -14,6 +14,7 @@ the more time-consuming tests.
 `SWTPM_TEST_EXPENSIVE=1` enables the following tests:
  - test_tpm12
  - test_tpm2_ibmtss2
+ - test_tpm2_libtpms_versions_profiles
 
 `SWTPM_TEST_STORE_VOLATILE=1` enables storing and restoring of the volatile
 state at every step of the test_tpm2_ibmtss2 test. This environment
@@ -22,6 +23,7 @@ variable only has an effect if `SWTPM_TEST_EXPENSIVE=1` is set.
 `SWTPM_TEST_IBMTSS2=1` enables the following tests
  - test_tpm2_save_load_state_2
  - test_tpm2_save_load_state_3
+ - test_tpm2_libtpms_versions_profiles
 
 To run against an installed IBM TSS test suite, you may set the
 `SWTPM_TEST_IBMTSS` to the location of the test suite, such as