Install Faker when building docs and running tests

Author: martinburchell

.github/scripts/install_test_python_packages.sh

@@ -10,3 +10,4 @@ ${PYTHON} -m pip install xlrd
 ${PYTHON} -m pip install dogpile.cache==0.9.2  # Later versions incompatible
 ${PYTHON} -m pip install pytest
 ${PYTHON} -m pip install xhtml2pdf weasyprint pdfkit  # For PDF tests
+${PYTHON} -m pip install faker==13.3.1 faker-file'[common]'==0.17.13

docs/docs_requirements.txt

@@ -6,6 +6,8 @@ deform
 dogpile.cache==0.9.2
 # CRATE is on 4.2
 Django>=4.2,<5.0
+faker==13.3.1
+faker-file[common]==0.17.13
 libChEBIpy
 pdfkit
 pyramid==1.10.8