Make regression test more robust

Expect was failing periodicallly due to apparent timing problems

testsuite/expect/test1.89

@@ -127,12 +127,15 @@ expect {
 #
 # Reading a second prompt is required by some versions of Expect
 #
-if { 0 } {
-	expect {
-		-re $prompt {
-		}
+set timeout 1
+expect {
+	-re $prompt {
+		exp_continue
+	}
+	timeout {
 	}
 }
+set timeout 30
 
 #
 # Run a job step to get allocated processor count and affinity

testsuite/expect/test1.90

@@ -136,6 +136,19 @@ expect {
 	}
 }
 
+#
+# Reading a second prompt is required by some versions of Expect
+#
+set timeout 1
+expect {
+	-re $prompt {
+		exp_continue
+	}
+	timeout {
+	}
+}
+set timeout 30
+
 #
 # Run a job step to get allocated processor count and affinity
 #