Use .zeek file suffix in unit tests

testing/btest/scripts/base/frameworks/input/invalidnumbers.zeek

@@ -0,0 +1,45 @@
+# @TEST-EXEC: btest-bg-run bro bro -b %INPUT
+# @TEST-EXEC: btest-bg-wait 10
+# @TEST-EXEC: btest-diff out
+# @TEST-EXEC: sed 1d .stderr > .stderrwithoutfirstline
+# @TEST-EXEC: TEST_DIFF_CANONIFIER=$SCRIPTS/diff-remove-abspath btest-diff .stderrwithoutfirstline
+
+@TEST-START-FILE input.log
+#separator \x09
+#fields	i	c
+#types	int	count
+12129223372036854775800	121218446744073709551612
+9223372036854775801TEXTHERE	1Justtext
+Justtext	1
+9223372036854775800	-18446744073709551612
+@TEST-END-FILE
+
+redef exit_only_after_terminate = T;
+
+global outfile: file;
+
+module A;
+
+type Idx: record {
+	i: int;
+};
+
+type Val: record {
+	c: count;
+};
+
+global servers: table[int] of Val = table();
+
+event bro_init()
+	{
+	outfile = open("../out");
+	# first read in the old stuff into the table...
+	Input::add_table([$source="../input.log", $name="ssh", $idx=Idx, $val=Val, $destination=servers]);
+	}
+
+event Input::end_of_data(name: string, source:string)
+	{
+	print outfile, servers;
+	Input::remove("ssh");
+	terminate();
+	}