Enable integration tests for the crypto/ namespace (#26684)

Crypto namespace contains the openssl modules. It has no integration
testing as of now.

This commits aims to add integration tests for the crypto namespace.
This will make it easier to spot breaking changes in the future.

This tests currently apply to:

  * openssl_privatekey
  * openssl_publickey
  * openssl_csr

test/integration/targets/openssl_privatekey/tests/validate.yml

@@ -0,0 +1,28 @@
+- name: Validate privatekey1 (test)
+  shell: "openssl rsa -noout -text -in {{ output_dir }}/privatekey1.pem  | grep Private | sed 's/Private-Key: (\\(.*\\) bit)/\\1/'"
+  register: privatekey1
+
+- name: Validate privatekey1 (assert)
+  assert:
+    that:
+      - privatekey1.stdout == '4096'
+
+
+- name: Validate privatekey2 (test)
+  shell: "openssl rsa -noout -text -in {{ output_dir }}/privatekey2.pem  | grep Private | sed 's/Private-Key: (\\(.*\\) bit)/\\1/'"
+  register: privatekey2
+
+- name: Validate privatekey2 (assert)
+  assert:
+    that:
+      - privatekey2.stdout == '2048'
+
+
+- name: Validate privatekey3 (test)
+  shell: "openssl dsa -noout -text -in {{ output_dir }}/privatekey3.pem  | grep Private | sed 's/Private-Key: (\\(.*\\) bit)/\\1/'"
+  register: privatekey3
+
+- name: Validate privatekey3 (assert)
+  assert:
+    that:
+      - privatekey1.stdout == '4096'