test cases/windows/20 vs install static lib with generated obj deps/test.json

{
  "installed": [
    {"type": "file", "file": "usr/lib/libboth_lib.a"},

    {"type": "shared_lib", "platform": "msvc", "file": "usr/bin/both_lib"},
    {"type": "implib", "platform": "msvc", "file": "usr/lib/both_lib"},
    {"type": "pdb", "platform": "msvc", "file": "usr/bin/both_lib"},

    {"type": "expr", "platform": "gcc", "file": "usr/lib/?libboth_lib.dll"},
    {"type": "implib", "platform": "gcc", "file": "usr/lib/libboth_lib"},
    {"type": "pdb", "platform": "gcc", "file": "usr/bin/libboth_lib"}
  ]
}