Added tests to all our spackages

packages/biobb-chemistry/package.py

@@ -20,3 +20,9 @@ class BiobbChemistry(PythonPackage):
     depends_on('openbabel')
     depends_on('ambertools')
     depends_on('acpype')
+
+    # Test
+    @run_after('install')
+    @on_package_attributes(run_tests=True)
+    def check_install (self):
+        python("-c", 'import biobb_chemistry')