Fix ServeTestCase.test_shed_serve test

Make the test robust to fastqc version updates.

Fix this test failure:

```
FAIL: test_shed_serve (tests.test_cmd_serve.ServeTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/travis/build/galaxyproject/planemo/tests/test_cmd_serve.py", line 78, in test_shed_serve
    assert found, "Failed to find fastqc id in %s" % tool_ids
AssertionError: Failed to find fastqc id in
[u'CONVERTER_ref_to_seq_taxomony', u'CONVERTER_SMILES_to_inchi', ...
u'toolshed.g2.bx.psu.edu/repos/devteam/fastqc/fastqc/0.72', ...
u'lped2pbedconvert']
```

from https://travis-ci.org/galaxyproject/planemo/jobs/423136116 .

Author: nsoranzo

tests/test_cmd_serve.py

@@ -70,7 +70,7 @@ def test_shed_serve(self):
         tool_ids = None
         for i in range(30):
             tool_ids = [t["id"] for t in user_gi.tools.get_tools()]
-            if "toolshed.g2.bx.psu.edu/repos/devteam/fastqc/fastqc/0.71" in tool_ids:
+            if any(_.startswith("toolshed.g2.bx.psu.edu/repos/devteam/fastqc/fastqc/") for _ in tool_ids):
                 found = True
                 break
             time.sleep(5)