Switch to bash for Unicode tests

tests/test_nilmrun.py

@@ -352,8 +352,8 @@ class TestClient(object):
         # start some processes
         a = client.post("run/command", { "argv": ["sleep","60"] } )
         b = client.post("run/command", { "argv": ["sh","-c","sleep 2;true"] } )
-        c = client.post("run/command", { "argv": ["sh","-c","burnP5;true"] } )
-        d = client.post("run/command", { "argv": ["burnP5" ] } )
+        c = client.post("run/command", { "argv": ["sh","-c","dd if=/dev/zero of=/dev/null;true"] } )
+        d = client.post("run/command", { "argv": ["dd", "if=/dev/zero", "of=/dev/null" ] } )
 
         info = client.get("process/info")
         eq_(info["pids"][a]["procs"], 1)
@@ -365,9 +365,13 @@ class TestClient(object):
         lt_(20, info["pids"][c]["cpu_percent"])
         lt_(80, info["system"]["cpu_percent"])
 
-        time.sleep(2)
-        info = client.get("process/info")
-        eq_(info["pids"][b]["procs"], 0)
+        for x in range(10):
+            time.sleep(1)
+            info = client.get("process/info")
+            if info["pids"][b]["procs"] != 2:
+                break
+        else:
+            raise Exception("process B didn't die: " + str(info["pids"][b]))
 
         # kill all processes
         for pid in client.get("process/list"):
@@ -377,7 +381,7 @@ class TestClient(object):
         client = HTTPClient(baseurl = testurl, post_json = True)
         eq_(client.get("process/list"), [])
         def verify(cmd, result):
-            pid = client.post("run/command", { "argv": [ "sh", "-c", cmd ] })
+            pid = client.post("run/command", { "argv": [ "/bin/bash", "-c", cmd ] })
             eq_(client.get("process/list"), [pid])
             status = self.wait_end(client, pid)
             eq_(result, status["log"])