tests/float: reduce iterations to 1000

The linked bug report [1] says "2 out of 5 computations fail", so there
should be no need to wait tens of seconds.

[1] https://sourceware.org/legacy-ml/newlib/2010/msg00149.html

tests/float/main.c

@@ -25,9 +25,9 @@
 
 #include "board.h"
 
-/* as default we run the test 100k times */
+/* as default we run the test 1k times */
 #ifndef TEST_ITER
-#define TEST_ITER           (100000UL)
+#define TEST_ITER           (1000UL)
 #endif
 
 #define STEP                (0.1)

tests/float/tests/01-run.py

@@ -9,13 +9,10 @@
 import sys
 from testrunner import run
 
-# It takes 35 seconds on msp430, so add some margin
-TIMEOUT = 45
-
 
 def testfunc(child):
     child.expect_exact("Testing floating point arithmetic...")
-    child.expect_exact("[SUCCESS]", timeout=TIMEOUT)
+    child.expect_exact("[SUCCESS]")
 
 
 if __name__ == "__main__":