diff --git a/Makefile b/Makefile
index 9fadaa18e..98d045619 100644
--- a/Makefile
+++ b/Makefile
@@ -396,11 +396,23 @@ unittest-interpreted:
 
 # run functional tests, requires shelltestrunner >= 0.9 from hackage
 # 16 threads sometimes gives "commitAndReleaseBuffer: resource vanished (Broken pipe)" here but seems harmless
-functest: bin/hledgerdev
+functest: bin/hledgerdev tests/addons/hledger-addon
 	@echo functional tests:
-	@($(SHELLTEST) tests -- --threads=16 --hide-successes \
+	@($(SHELLTEST) --execdir tests -- --threads=16 --hide-successes \
 		&& echo $@ PASSED) || echo $@ FAILED
 
+# generate dummy add-ons for testing (hledger-addon the rest)
+ADDONEXTS=pl py rb sh hs lhs rkt exe com bat
+tests/addons/hledger-addon:
+	rm -rf tests/addons/hledger-*
+	printf '#!/bin/sh\necho add-on: $$0\necho args: $$*\n' >tests/ADDONS/hledger-addon
+	for E in '' $(ADDONEXTS); do \
+		cp tests/ADDONS/hledger-addon tests/ADDONS/hledger-addon.$$E; done
+	for F in addon. addon2 addon2.hs addon3.exe addon3.lhs addon4.exe add reg; do \
+		cp tests/ADDONS/hledger-addon tests/ADDONS/hledger-$$F; done
+	mkdir tests/ADDONS/hledger-addondir
+	chmod +x tests/ADDONS/hledger-*
+
 # run unit and functional tests with a specific GHC version
 # some functional tests (add, include, read-csv..) have bin/hledgerdev hard coded - might need to symlink it
 test-ghc-%: # bin/hledgerdev.ghc-$*
@@ -558,18 +570,6 @@ data/10000x10000x10.journal: tools/generatejournal
 data/100000x1000x10.journal: tools/generatejournal
 	tools/generatejournal 100000 1000 10 >$@
 
-ADDONS=tests/addons
-ADDONEXTS=pl py rb sh hs lhs rkt exe com bat
-addons:
-	rm -rf $(ADDONS)/hledger-*
-	printf '#!/bin/sh\necho add-on: $$0\necho args: $$*\n' >$(ADDONS)/hledger-addon
-	for E in '' $(ADDONEXTS); do \
-		cp $(ADDONS)/hledger-addon $(ADDONS)/hledger-addon.$$E; done
-	for F in addon. addon2 addon2.hs addon3.exe addon3.lhs addon4.exe add reg; do \
-		cp $(ADDONS)/hledger-addon $(ADDONS)/hledger-$$F; done
-	mkdir $(ADDONS)/hledger-addondir
-	chmod +x $(ADDONS)/hledger-*
-
 ######################################################################
 # DOCUMENTATION
 
diff --git a/tests/add.test b/tests/add/add.test
similarity index 100%
rename from tests/add.test
rename to tests/add/add.test
diff --git a/tests/addons/README b/tests/addons/README
deleted file mode 100644
index 52da21517..000000000
--- a/tests/addons/README
+++ /dev/null
@@ -1 +0,0 @@
-Add-on scripts to test add-on detection (when this directory is added to PATH).
diff --git a/tests/addons/addons.test b/tests/addons/addons.test
new file mode 100644
index 000000000..7d395580a
--- /dev/null
+++ b/tests/addons/addons.test
@@ -0,0 +1,17 @@
+# "make test" sets up the dummy add-on scripts required for these tests
+
+# 14. flags after an add-command are handled by the add-on
+PATH=$PATH:. hledgerdev addon --help
+>>> /hledger-addon/
+>>>=0
+
+# 15. add-on flags which are not also defined in the main executable are a problem
+PATH=$PATH:. hledgerdev addon --addonflag
+>>>2 /Unknown flag: --addonflag/
+>>>=1
+
+# 16. hledger main executable ignores anything after -- (and hides the -- from the add-on)
+PATH=$PATH:. hledgerdev addon --help -- --addonflag
+>>> /hledger-addon/
+>>>=0
+
diff --git a/tests/87-wrong-balance.test b/tests/balance/87.test
similarity index 100%
rename from tests/87-wrong-balance.test
rename to tests/balance/87.test
diff --git a/tests/balance-sample.test b/tests/balance/balance.test
similarity index 86%
rename from tests/balance-sample.test
rename to tests/balance/balance.test
index 76c8097ba..3b1668bd3 100644
--- a/tests/balance-sample.test
+++ b/tests/balance/balance.test
@@ -1,5 +1,5 @@
 # 1.
-hledgerdev -f data/sample.journal balance
+hledgerdev -f sample.journal balance
 >>>
                  $-1  assets
                   $1    bank:saving
@@ -16,7 +16,7 @@ hledgerdev -f data/sample.journal balance
 >>>=0
 
 # 2. 
-hledgerdev -f data/sample.journal balance o
+hledgerdev -f sample.journal balance o
 >>>
                   $1  expenses:food
                  $-2  income
diff --git a/tests/balance-date2.test b/tests/balance/date2.test
similarity index 100%
rename from tests/balance-date2.test
rename to tests/balance/date2.test
diff --git a/tests/balance-depth.test b/tests/balance/depth.test
similarity index 68%
rename from tests/balance-depth.test
rename to tests/balance/depth.test
index c27fed4cc..7b970c498 100644
--- a/tests/balance-depth.test
+++ b/tests/balance/depth.test
@@ -1,5 +1,5 @@
 # 1
-hledgerdev -f data/sample.journal balance --no-total --depth 1
+hledgerdev -f sample.journal balance --no-total --depth 1
 >>>
                  $-1  assets
                   $2  expenses
diff --git a/tests/balance-flat.test b/tests/balance/flat.test
similarity index 100%
rename from tests/balance-flat.test
rename to tests/balance/flat.test
diff --git a/tests/balance-custom-format.test b/tests/balance/format.test
similarity index 83%
rename from tests/balance-custom-format.test
rename to tests/balance/format.test
index 05b53dff6..bf4005284 100644
--- a/tests/balance-custom-format.test
+++ b/tests/balance/format.test
@@ -1,4 +1,4 @@
-hledgerdev -f data/sample.journal balance --format="%30(account) %-.20(total)"
+hledgerdev -f sample.journal balance --format="%30(account) %-.20(total)"
 >>>
                         assets $-1
                    bank:saving $1
diff --git a/tests/balance-multicol.test b/tests/balance/intervals.test
similarity index 87%
rename from tests/balance-multicol.test
rename to tests/balance/intervals.test
index ccaf7074d..1a94f595c 100644
--- a/tests/balance-multicol.test
+++ b/tests/balance/intervals.test
@@ -1,7 +1,7 @@
 # multi-column balance reports
 
 # 1. Here are the postings used in most tests below:
-hledgerdev -f data/balance-multicol.journal register
+hledgerdev -f balance-multicol.journal register
 >>>
 2012/12/31                      (assets:checking)               10            10
 2013/01/01                      (assets:checking)                1            11
@@ -12,7 +12,7 @@ hledgerdev -f data/balance-multicol.journal register
 >>>=0
 
 # 2. A period balance (flow) report. --no-total also works but isn't pretty.
-hledgerdev -f data/balance-multicol.journal balance -p 'monthly in 2013' --no-total
+hledgerdev -f balance-multicol.journal balance -p 'monthly in 2013' --no-total
 >>>
 Change of balance (flow):
 
@@ -27,7 +27,7 @@ Change of balance (flow):
 >>>=0
 
 # 3. With --empty, includes leading/trailing empty periods
-#hledgerdev -f data/balance-multicol.journal balance -p 'quarterly in 2013' --empty
+#hledgerdev -f balance-multicol.journal balance -p 'quarterly in 2013' --empty
 hledgerdev -f - balance -p 'quarterly in 2013' --empty
 <<<
 2012/12/31
@@ -49,7 +49,7 @@ Change of balance (flow):
 
 # 4. A cumulative ending balance report. Column totals are the sum of
 # the highest-level displayed accounts (here, assets).
-hledgerdev -f data/balance-multicol.journal balance -p 'monthly in 2013' --cumulative
+hledgerdev -f balance-multicol.journal balance -p 'monthly in 2013' --cumulative
 >>>
 Ending balance (cumulative):
 
@@ -66,7 +66,7 @@ Ending balance (cumulative):
 # 5. With the assets:cash account excluded.  As with a single-column
 # balance --flat report, or ledger's balance --flat, assets' balance
 # includes the displayed subaccount and not the excluded one.
-hledgerdev -f data/balance-multicol.journal balance -p 'monthly in 2013' --cumulative not:cash
+hledgerdev -f balance-multicol.journal balance -p 'monthly in 2013' --cumulative not:cash
 >>>
 Ending balance (cumulative):
 
@@ -80,7 +80,7 @@ Ending balance (cumulative):
 >>>=0
 
 # 6. A historical ending balance report.
-hledgerdev -f data/balance-multicol.journal balance -p 'monthly in 2013' --historical
+hledgerdev -f balance-multicol.journal balance -p 'monthly in 2013' --historical
 >>>
 Ending balance (historical):
 
@@ -96,7 +96,7 @@ Ending balance (historical):
 
 # 7. With top-level accounts excluded. As always, column totals are the sum of
 # the highest-level displayed accounts, now assets:cash and assets:checking.
-hledgerdev -f data/balance-multicol.journal balance -p 'monthly in 2013' not:assets$
+hledgerdev -f balance-multicol.journal balance -p 'monthly in 2013' not:assets$
 >>>
 Change of balance (flow):
 
@@ -110,7 +110,7 @@ Change of balance (flow):
 >>>=0
 
 # 8. cumulative:
-hledgerdev -f data/balance-multicol.journal balance -p 'monthly in 2013' not:assets$ --cumulative
+hledgerdev -f balance-multicol.journal balance -p 'monthly in 2013' not:assets$ --cumulative
 >>>
 Ending balance (cumulative):
 
@@ -124,7 +124,7 @@ Ending balance (cumulative):
 >>>=0
 
 # 9. historical
-hledgerdev -f data/balance-multicol.journal balance -p 'monthly in 2013' --historical
+hledgerdev -f balance-multicol.journal balance -p 'monthly in 2013' --historical
 >>>
 Ending balance (historical):
 
@@ -141,7 +141,7 @@ Ending balance (historical):
 # --depth
 
 # 10. A flow report with depth limiting. The depth limit aggregates the three accounts as "assets".
-hledgerdev -f data/balance-multicol.journal balance -p 'monthly in 2013' --depth 1
+hledgerdev -f balance-multicol.journal balance -p 'monthly in 2013' --depth 1
 >>>
 Change of balance (flow):
 
@@ -154,7 +154,7 @@ Change of balance (flow):
 >>>=0
 
 # 11. As above, but postings in the top-level assets account have been excluded.
-hledgerdev -f data/balance-multicol.journal balance -p 'monthly in 2013' --depth 1 assets:
+hledgerdev -f balance-multicol.journal balance -p 'monthly in 2013' --depth 1 assets:
 >>>
 Change of balance (flow):
 
@@ -167,7 +167,7 @@ Change of balance (flow):
 >>>=0
 
 # 12. A cumulative balance report with depth limiting.
-hledgerdev -f data/balance-multicol.journal balance -p 'monthly in 2013' --depth 1 --cumulative
+hledgerdev -f balance-multicol.journal balance -p 'monthly in 2013' --depth 1 --cumulative
 >>>
 Ending balance (cumulative):
 
@@ -180,7 +180,7 @@ Ending balance (cumulative):
 >>>=0
 
 # 13. A historical balance report with depth limiting.
-hledgerdev -f data/balance-multicol.journal balance -p 'monthly in 2013' --depth 1 --historical
+hledgerdev -f balance-multicol.journal balance -p 'monthly in 2013' --depth 1 --historical
 >>>
 Ending balance (historical):
 
@@ -193,7 +193,7 @@ Ending balance (historical):
 >>>=0
 
 # 14. The three multicol balance report types again, this time with --tree
-hledgerdev -f data/balance-multicol.journal balance -p 'monthly in 2013' --tree
+hledgerdev -f balance-multicol.journal balance -p 'monthly in 2013' --tree
 >>>
 Change of balance (flow):
 
@@ -208,7 +208,7 @@ Change of balance (flow):
 >>>=0
 
 # 15.
-hledgerdev -f data/balance-multicol.journal balance -p 'monthly in 2013' --cumulative --tree
+hledgerdev -f balance-multicol.journal balance -p 'monthly in 2013' --cumulative --tree
 >>>
 Ending balance (cumulative):
 
@@ -223,7 +223,7 @@ Ending balance (cumulative):
 >>>=0
 
 # 16.
-hledgerdev -f data/balance-multicol.journal balance -p 'monthly in 2013' --historical --tree
+hledgerdev -f balance-multicol.journal balance -p 'monthly in 2013' --historical --tree
 >>>
 Ending balance (historical):
 
diff --git a/tests/balance-eliding.test b/tests/balance/no-total-no-elide.test
similarity index 100%
rename from tests/balance-eliding.test
rename to tests/balance/no-total-no-elide.test
diff --git a/tests/balance-precision.test b/tests/balance/precision.test
similarity index 100%
rename from tests/balance-precision.test
rename to tests/balance/precision.test
diff --git a/tests/balance/sample.journal b/tests/balance/sample.journal
new file mode 120000
index 000000000..8f14a625d
--- /dev/null
+++ b/tests/balance/sample.journal
@@ -0,0 +1 @@
+../../data/sample.journal
\ No newline at end of file
diff --git a/tests/command-line.test b/tests/cli/cli.test
similarity index 89%
rename from tests/command-line.test
rename to tests/cli/cli.test
index bda22b455..4fe235f6a 100644
--- a/tests/command-line.test
+++ b/tests/cli/cli.test
@@ -131,20 +131,3 @@ hledgerdev register -f/dev/null --alias=somealiases --rules-file -? -h --help --
 >>> /^register \[OPTIONS\]/
 >>>=0
 
-# do "make addons" to set up for these:
-
-# 14. flags after an add-command are handled by the add-on
-PATH=$PATH:tests/addons hledgerdev addon --help
->>> /hledger-addon/
->>>=0
-
-# 15. add-on flags which are not also defined in the main executable are a problem
-PATH=$PATH:tests/addons hledgerdev addon --addonflag
->>>2 /Unknown flag: --addonflag/
->>>=1
-
-# 16. hledger main executable ignores anything after -- (and hides the -- from the add-on)
-PATH=$PATH:tests/addons hledgerdev addon --help -- --addonflag
->>> /hledger-addon/
->>>=0
-
diff --git a/tests/no-such-file.test b/tests/cli/no-such-file.test
similarity index 100%
rename from tests/no-such-file.test
rename to tests/cli/no-such-file.test
diff --git a/tests/filter-patterns.test b/tests/cli/query-args.test
similarity index 100%
rename from tests/filter-patterns.test
rename to tests/cli/query-args.test
diff --git a/tests/read-csv.test b/tests/csv/read.test
similarity index 100%
rename from tests/read-csv.test
rename to tests/csv/read.test
diff --git a/tests/decimals-balance-failure.test b/tests/decimals-balance-failure.test
deleted file mode 100644
index e2a542982..000000000
--- a/tests/decimals-balance-failure.test
+++ /dev/null
@@ -1,10 +0,0 @@
-# b amount with no decimal places, in middle, causes balance failure (0.6.1)
-hledgerdev -f - print
-<<<
-2009/1/1 x
-    a         $1.25
-    b         $-1
-    c         $-0.25
-
->>>2
->>>=0
diff --git a/tests/eliding-print.test.notimplemented b/tests/eliding-print.test.notimplemented
deleted file mode 100644
index 271d4e84c..000000000
--- a/tests/eliding-print.test.notimplemented
+++ /dev/null
@@ -1,9 +0,0 @@
-hledgerdev -f- print
-<<<
-2009/1/1 x
- aaaaaaaaaaaaaaaaaaaa:aaaaaaaaaaaaaaaaaaaa:aaaaaaaaaaaaaaaaaaaa  €1
- b
->>>
-2009/01/01 x
-    aa:aaaaaaaaaa:aaaaaaaaaaaaaaaaaaaa
-    b
diff --git a/tests/eliding-register.test.notimplemented b/tests/eliding-register.test.notimplemented
deleted file mode 100644
index bffa2351a..000000000
--- a/tests/eliding-register.test.notimplemented
+++ /dev/null
@@ -1,7 +0,0 @@
-hledgerdev -f- register
-<<<
-2009/1/1 x aaaaaaaaaaaaaaaaaaaa:aaaaaaaaaaaaaaaaaaaa:aaaaaaaaaaaaaaaaaaaa  €1
- b
->>>
-2009/01/01 x                    aa:aa:aaaaaaaaaaaaaaaa           €1           €1
-                                b                               €-1            0
diff --git a/tests/balance-assertions.test b/tests/journal/balance-assertions.test
similarity index 100%
rename from tests/balance-assertions.test
rename to tests/journal/balance-assertions.test
diff --git a/tests/parse-blank-description.test b/tests/journal/blank-description.test
similarity index 100%
rename from tests/parse-blank-description.test
rename to tests/journal/blank-description.test
diff --git a/tests/comments.test b/tests/journal/comments.test
similarity index 100%
rename from tests/comments.test
rename to tests/journal/comments.test
diff --git a/tests/parse-dates.test b/tests/journal/dates.test
similarity index 100%
rename from tests/parse-dates.test
rename to tests/journal/dates.test
diff --git a/tests/default-commodity.test b/tests/journal/default-commodity.test
similarity index 100%
rename from tests/default-commodity.test
rename to tests/journal/default-commodity.test
diff --git a/tests/include.test b/tests/journal/include.test
similarity index 100%
rename from tests/include.test
rename to tests/journal/include.test
diff --git a/tests/parens-in-account-name.test b/tests/journal/parens-in-account-name.test
similarity index 100%
rename from tests/parens-in-account-name.test
rename to tests/journal/parens-in-account-name.test
diff --git a/tests/parse-ledger-sample.test b/tests/journal/parse-sample-journal.test
similarity index 100%
rename from tests/parse-ledger-sample.test
rename to tests/journal/parse-sample-journal.test
diff --git a/tests/unbalanced.test b/tests/journal/unbalanced.test
similarity index 100%
rename from tests/unbalanced.test
rename to tests/journal/unbalanced.test
diff --git a/tests/aliases.test b/tests/misc/aliases.test
similarity index 100%
rename from tests/aliases.test
rename to tests/misc/aliases.test
diff --git a/tests/amount-layout-vertical.test b/tests/misc/amount-rendering.test
similarity index 90%
rename from tests/amount-layout-vertical.test
rename to tests/misc/amount-rendering.test
index d5cf3b997..5a5aeb244 100644
--- a/tests/amount-layout-vertical.test
+++ b/tests/misc/amount-rendering.test
@@ -46,7 +46,21 @@ hledgerdev -f - balance
                    0
 >>>=0
 
-# 4. mixed amounts with prices
+# 4. a zero amount is always displayed as just "0", regardless of any commodity/decimal places/price (like ledger)
+#
+hledgerdev -f- print --empty
+<<<
+2010/3/1 x
+  a  $0.00 @ 3EUR
+  b
+>>>
+2010/03/01 x
+    a             0
+    b             0
+
+>>>=0
+
+# 5. mixed amounts with prices
 # XXX
 # hledgerdev -f - print
 # <<<
diff --git a/tests/commodities.test b/tests/misc/commodities.test
similarity index 100%
rename from tests/commodities.test
rename to tests/misc/commodities.test
diff --git a/tests/precision.test b/tests/misc/precision.test
similarity index 100%
rename from tests/precision.test
rename to tests/misc/precision.test
diff --git a/tests/prices.test b/tests/misc/prices.test
similarity index 100%
rename from tests/prices.test
rename to tests/misc/prices.test
diff --git a/tests/status.test b/tests/misc/query-status.test
similarity index 100%
rename from tests/status.test
rename to tests/misc/query-status.test
diff --git a/tests/tags.test b/tests/misc/tags.test
similarity index 100%
rename from tests/tags.test
rename to tests/misc/tags.test
diff --git a/tests/virtual.test b/tests/misc/virtual-postings.test
similarity index 100%
rename from tests/virtual.test
rename to tests/misc/virtual-postings.test
diff --git a/tests/unicode-account-matching.test b/tests/nonascii/unicode-account-matching.test
similarity index 100%
rename from tests/unicode-account-matching.test
rename to tests/nonascii/unicode-account-matching.test
diff --git a/tests/unicode-balance.test b/tests/nonascii/unicode-balance.test
similarity index 100%
rename from tests/unicode-balance.test
rename to tests/nonascii/unicode-balance.test
diff --git a/tests/unicode-description-matching.test b/tests/nonascii/unicode-description-matching.test
similarity index 100%
rename from tests/unicode-description-matching.test
rename to tests/nonascii/unicode-description-matching.test
diff --git a/tests/unicode-error-message.test b/tests/nonascii/unicode-error-message.test
similarity index 100%
rename from tests/unicode-error-message.test
rename to tests/nonascii/unicode-error-message.test
diff --git a/tests/unicode-print.test b/tests/nonascii/unicode-print.test
similarity index 100%
rename from tests/unicode-print.test
rename to tests/nonascii/unicode-print.test
diff --git a/tests/unicode-register.test b/tests/nonascii/unicode-register.test
similarity index 100%
rename from tests/unicode-register.test
rename to tests/nonascii/unicode-register.test
diff --git a/tests/null-accountname-component.test b/tests/null-accountname-component.test
deleted file mode 100644
index c8859305b..000000000
--- a/tests/null-accountname-component.test
+++ /dev/null
@@ -1,7 +0,0 @@
-# hledgerdev -f - balance -E
-# <<<
-# 2009/1/1 x
-#  a:  13
-#  b
-# >>>2 /accountname seems ill-formed: a:/
-# >>>= 1
diff --git a/tests/parse-posting-error-pos.test b/tests/parse-posting-error-pos.test
deleted file mode 100644
index e9a5e7587..000000000
--- a/tests/parse-posting-error-pos.test
+++ /dev/null
@@ -1,13 +0,0 @@
-# should give an accurate parse error location
-# hledgerdev -f- stat
-# <<<
-# 2010/1/1 x
-#   a  1
-#   b
-
-# 2010/1/1 y
-#   c:  1
-#   d
-
-# >>>2 /line 6, column 5/
-# >>>= 1
diff --git a/tests/print-date2.test b/tests/print/date2.test
similarity index 100%
rename from tests/print-date2.test
rename to tests/print/date2.test
diff --git a/tests/print-long-account.test b/tests/print/long-account-name.test
similarity index 100%
rename from tests/print-long-account.test
rename to tests/print/long-account-name.test
diff --git a/tests/print-desc-pattern.test b/tests/print/query-desc.test
similarity index 100%
rename from tests/print-desc-pattern.test
rename to tests/print/query-desc.test
diff --git a/tests/print-acct-pattern.test b/tests/print/query-not-acct.test
similarity index 100%
rename from tests/print-acct-pattern.test
rename to tests/print/query-not-acct.test
diff --git a/tests/register-date2.test b/tests/register/date2.test
similarity index 100%
rename from tests/register-date2.test
rename to tests/register/date2.test
diff --git a/tests/register-depth.test b/tests/register/depth.test
similarity index 100%
rename from tests/register-depth.test
rename to tests/register/depth.test
diff --git a/tests/register-intervals.test b/tests/register/intervals.test
similarity index 100%
rename from tests/register-intervals.test
rename to tests/register/intervals.test
diff --git a/tests/stats.test b/tests/stats/stats.test
similarity index 100%
rename from tests/stats.test
rename to tests/stats/stats.test
diff --git a/tests/timelog-stack-overflow.test b/tests/timelog-stack-overflow.test
deleted file mode 100644
index 1b65b01a7..000000000
--- a/tests/timelog-stack-overflow.test
+++ /dev/null
@@ -1,13 +0,0 @@
-# this gave a stack space overflow error with 0.8-0.9 due to infinite
-# recursion in Posting and Transaction's equality tests:
-hledgerdev -f - balance
-<<<
-i 2010/1/1 09:00:00 a:b
-o 2010/1/1 09:03:00
->>>=0
-# incidentally this didn't trigger it.. go figure
-#hledgerdev -f - balance
-#<<<
-#i 2010/1/1 09:00:00 a:b
-#o 2010/1/1 09:02:00
-#>>>=0
diff --git a/tests/timelog.test b/tests/timelog/timelog.test
similarity index 100%
rename from tests/timelog.test
rename to tests/timelog/timelog.test
diff --git a/tests/timelog/timezone.test.notimplemented b/tests/timelog/timezone.test.notimplemented
new file mode 100644
index 000000000..bc700010c
--- /dev/null
+++ b/tests/timelog/timezone.test.notimplemented
@@ -0,0 +1,22 @@
+# timezone-related tests
+# 1. as in ledger, historical prices may contain a time and timezone.
+# hledger ignores them and uses 00:00 local time instead.
+# XXX needs --value not --cost
+hledgerdev -f - balance --no-total --cost
+<<<
+P 2011/01/01 00:00:00      A $1
+P 2011/01/01 15:00:00-0100 A $2
+
+2010/12/31
+  (20101231)  1 A
+
+2011/1/1
+  (20110101)  1 A
+
+2011/1/2
+  (20110102)  1 A
+>>>
+                 1 A  20101231
+                  $2  20110101
+                  $2  20110102
+>>>=0
diff --git a/tests/timezone.test b/tests/timezone.test
deleted file mode 100644
index 903d8b6ea..000000000
--- a/tests/timezone.test
+++ /dev/null
@@ -1,22 +0,0 @@
-# timezone-related tests
-# 1. as in ledger, historical prices may contain a time and timezone.
-# hledger ignores them and uses 00:00 local time instead.
-# XXX needs --value not --cost
-# hledgerdev -f - balance --no-total --cost
-# <<<
-# P 2011/01/01 00:00:00      A $1
-# P 2011/01/01 15:00:00-0100 A $2
-
-# 2010/12/31
-#   (20101231)  1 A
-
-# 2011/1/1
-#   (20110101)  1 A
-
-# 2011/1/2
-#   (20110102)  1 A
-# >>>
-#                  1 A  20101231
-#                   $2  20110101
-#                   $2  20110102
-# >>>=0
diff --git a/tests/zero-handling.test b/tests/zero-handling.test
deleted file mode 100644
index 0659bedbf..000000000
--- a/tests/zero-handling.test
+++ /dev/null
@@ -1,13 +0,0 @@
-# a zero amount is always displayed as just "0", regardless of any commodity/decimal places/price (like ledger)
-#
-hledgerdev -f- print --empty
-<<<
-2010/3/1 x
-  a  $0.00 @ 3EUR
-  b
->>>
-2010/03/01 x
-    a             0
-    b             0
-
->>>=0